Electrical Insulators and Insulating Materials - Canada (CA)

Federal Supply Class (FSC): 5970

NATO Supply Classification Class (NSC): 5970

Federal Supply Group (FSG): 59 Electrical and Electronic Equipment Components

NATO Supply Classification Group (NSG): 59 Electrical and Electronic Equipment Components

Items Managed by Canada (CA) - NCB is 20 or 21

Page 10 of 15

NSN Format for Electrical Insulators and Insulating Materials
Codified by Canada

597021XXXXXXX
Group
FSG
ClassNCBIdentifier
FSC
Federal Supply Class
NIIN
NSN

NATO Supply Class 5970 is a classification within NATO Supply Group 59, which is dedicated to Electrical And Electronic Equipment Components.

NATO Supply Class 5970 specifically focuses on Electrical Insulators And Insulating Materials. Electrical insulators are materials that prevent the flow of electric current, while insulating materials are substances used to isolate or protect electrical components from electrical current or other sources of energy.

In the context of NATO, this classification is used to categorize and standardize the procurement and supply of electrical insulators and insulating materials for military purposes. These materials are essential for ensuring the safety and proper functioning of electrical and electronic equipment used by NATO forces.

Examples of electrical insulators and insulating materials that fall under NATO Supply Class 5970 include:

1. Ceramic insulators: These are commonly used in high-voltage applications due to their excellent electrical and thermal insulation properties.

2. Polymer insulators: These insulators are made from synthetic materials such as silicone or rubber and are used in various electrical applications.

3. Glass insulators: Glass insulators are often used in power transmission and distribution systems due to their high mechanical strength and resistance to environmental factors.

4. Insulating tapes and films: These materials are used for electrical insulation and protection of wires, cables, and other electrical components.

5. Insulating varnishes and coatings: These substances are applied to electrical components to provide insulation and protection against moisture, chemicals, and other environmental factors.

By classifying electrical insulators and insulating materials under NATO Supply Class 5970, NATO can ensure standardized procurement processes and facilitate efficient supply chain management for these critical components in military operations.

FSC 5970 Electrical Insulators and Insulating Materials - Canada (CA)
FSC 5970 Electrical Insulators and Insulating Materials - Canada (CA)

Includes Tube, Knob, Cleat, Strain, and Standoff Insulators; Feed Thru Insulators; Bead Insulators; Varnish Cambric Tape; Friction Tape.

Note-Mounting hardware, included in classes of this group, includes such specially designed items as brackets, holders, retainers, etc. Excluded from classes in this group are such hardware items as screws (Class 5305), bolts (Class 5306), studs (Class 5307), washers (Class 5310), rivets (Class 5320), and other common items indexed to specific classes, other than in Group 59. The FSC indexes and structure will govern the classification of items used on or with mounting hardware cited above.

Frequently Asked Questions(FAQ) for Federal Supply Class 5970 Frequently Asked Questions(FAQ) for Federal Supply Class 5970

What is Federal Supply Class 5970?
FSC 5970 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 5970) in the USA for supply items codified in the category of Electrical Insulators and Insulating Materials.
What is NATO Supply Classification Class 5970?
NSC 5970 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 5970 in the USA) for supply items codified in the category of Electrical Insulators and Insulating Materials.
Which Federal Supply Group is FSC 5970 in?
FSC 5970 is in Federal Supply Group (FSG) 59 which contains Electrical and Electronic Equipment Components.
Which NATO Supply Classification Group is NSC 5970 in?
NSC 5970 is in NATO Supply Classification Group (NSG) 59 which contains Electrical and Electronic Equipment Components.

Supply Items Included in Federal Supply Class 5970 Supply Items Included in Federal Supply Class 5970

What is an Insulator Assembly? 20 Items
An Insulator Assembly is two or more insulators on a common mounting or mounted on each other. Do not use for single complete feedthru insulators (double bowl type) which are termed INSULATOR, FEEDTHRU regardless of complexity.
What is a Standoff Insulator? 211 Items
A Standoff Insulator (INSULATOR,STANDOFF) is an insulator which is specifically designed to support a conductor or an item at a predetermined spacing from a mounting surface. It may include mounting and/or conducting hardware.
What is a Strain Insulator? 84 Items
A Strain Insulator (INSULATOR,STRAIN) is an insulator specifically designed to transmit to the tower, or other support, the entire pull of a conductor or guy wire.
What is an Electrical Insulation Sheet? 108 Items
An Electrical Insulation Sheet (INSULATION SHEET,ELECTRICAL) is a material whose thickness is small in comparison to its length and width, and which is specifically designed to prevent any undesirable flow of current between a conductor(s) and/or other objects. Excludes items which do not have definite rated electrical characteristics. Excludes INSULATION CLOTH, ELECTRICAL; INSULATION TAPE, ELECTRICAL and PLASTIC SHEET. For electrical insulation sheets fabricated for a specific application, see INSULATOR (as modified).
What is an Electrical Insulation Sleeving? 961 Items
An Electrical Insulation Sleeving (INSULATION SLEEVING,ELECTRICAL) is a rigid or flexible tubing having uniform inside and outside diameters in the overall length. It is specifically designed to prevent any undesirable flow of current between conductors and other objects. Includes shrinkable type tubing, items in bulk and in specific fabricated lengths (cut to size). Excludes items not having rated electrical characteristics. Also excludes BUSHING, SLEEVE; CABLE NIPPLE, ELECTRICAL; CONDUIT (as modified); INSULATION SLEEVING, ELECTRICAL, SPECIAL PURPOSE; INSULATION SLEEVING, THERMAL; SLEEVE, MARKER, CABLE; SLEEVING, TEXTILE, ELECTRICAL; TUBING, GLASS; and TUBING, NONMETALLIC.
What is an Electrical Insulation Rod? 11 Items
An Electrical Insulation Rod (INSULATION ROD,ELECTRICAL) is a solid material of natural occuring mineral mica, ceramic, or from material which has been electrically rated by government or industry standards or specifications, where the length is greater in proportion to its diameter or cross-sectional dimensions, and which is specifically designed to prevent any undesirable flow of current between conductors and/or objects. For items that do not have definite rated electrical characteristics, see NONMETALLIC ROD. For specific application, see INSULATOR (as modified).
What is an Electrical Insulating Varnish? 24 Items
An Electrical Insulating Varnish (INSULATING VARNISH,ELECTRICAL) is a liquid preparation which dries by evaporation and/or oxidation and is specifically compounded to provide electrical insulating characteristics. It may have other incidental values such as resistance to moisture, fungus, or the like. For items which are not specifically compounded to provide electrical insulating characteristics, use VARNISH, OIL or LACQUER. See also INSULATING COMPOUND, ELECTRICAL.
What is an Electrical Insulating Compound? 32 Items
An Electrical Insulating Compound (INSULATING COMPOUND,ELECTRICAL) is a pre-mixed chemical composition which is specifically compounded to provide electrical insulating characteristics. The item includes such forms as liguids, paste, crystal, or solids which are designed to be melted or changed in configuration prior to usage, or when applied. For items with two or more separate chemical materials, see INSULATING COMPOUND KIT, ELECTRICAL. For items not specifically compounded to provide electrical insulating characteristics, see SEALING COMPOUND. Excludes INSULATING OIL, ELECTRICAL and INSULATING VARNISH, ELECTRICAL.
What is a Feedthru Insulator? 41 Items
A Feedthru Insulator (INSULATOR,FEEDTHRU) is an insulator which is specifically designed to provide for the passage of electrical conductors through such items as panels, bulkheads, walls, and the like. It consists of two or more insulators, including one or more studs fed through the items in such a way as to be used as conductors. The studs may be used for mounting. See also INSULATOR, BOWL; and TERMINAL, FEEDTHRU, INSULATED.
What is a Spreader Insulator? 10 Items
A Spreader Insulator (INSULATOR,SPREADER) is an insulator which is specifically designed to separate or hold apart free swinging electrical conductors.
What is a Washer Insulator? 279 Items
A Washer Insulator (INSULATOR,WASHER) is an insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes items with more than one hole. See also INSULATOR, DISK; INSULATOR, BEAD; INSULATOR, BUSHING; and INSULATOR, PLATE
What is a Disk Insulator? 80 Items
A Disk Insulator (INSULATOR,DISK) is an insulator that is essentially thin, flat, and round in shape, with or without holes. The general shape may vary by the addition of such features as beveled edges, indented surfaces, through-hole key and/or peripheral flats. It may have one or more holes off center; if there are two or more holes, one may be centrally located. Excludes MOUNTING PAD, ELECTRICAL-ELECTRONIC COMPONENT.
What is a Plate Insulator? 546 Items
A Plate Insulator (INSULATOR,PLATE) is an insulator having flat surfaces, with or without holes, whose thickness does not exceed 25 percent of its length or width, whichever is smaller, and whose shape is other than round. Excludes INSULATOR (1), SPACER; INSULATOR (1), WASHER; MOUNTING PAD, ELECTRICAL-ELECTRONIC COMPONENT; PLATE, ELECTRICAL SHIELD; and TERMINAL BOARD.
What is a Bead Insulator? 12 Items
A Bead Insulator (INSULATOR,BEAD) is an insulator specifically designed to be used as a spacer in, or in conjunction with, such items as coaxial cables, transmission lines, brush shunts, test leads, high voltage lines and the like. Has an axial hole through which the wire passes and the length of which is considerably more than 25 percent of the largest diameter perpendicular to the hole. The external shapes may be variations of cylindrical and spherical shapes.
What is a Bowl Insulator? 16 Items
A Bowl Insulator (INSULATOR,BOWL) is an insulator used for wire entering or feedthru purposes. May include mounting and/or conducting hardware. Includes replacement bowls for feedthru insulators. Characterized by one or more bowl or bell shaped insulator surfaces.
What is a Bushing Insulator? 231 Items
A Bushing Insulator (INSULATOR,BUSHING) is an insulator designed to fit into and reduce the effective diameter of the hole(s). It may include mounting and/or conducting hardware. For flexible bushing-type insulators that are self-retaining and consist of two facing flanges separated by a neck, see GROMMET, NONMETALLIC. Also see SPACER, SLEEVE and BUSHING, SLEEVE. Excludes INSULATION SLEEVING, ELECTRICAL.
What is an Electrical Textile Sleeving? 21 Items
An Electrical Textile Sleeving (SLEEVING,TEXTILE,ELECTRICAL) is a treated or untreated flexible tubing of natural or synthetic fibers such as cotton, silk, rayon, glass, or nylon, specifically designed to inclose a wire or cable but does not have a definite rated electrical characteristic. Includes items in bulk or in definite fabricated lengths. For items having definite rated electrical characteristics, see INSULATION SLEEVING, ELECTRICAL.
What is an Electrical Insulation Tape? 245 Items
An Electrical Insulation Tape (TAPE,INSULATION,ELECTRICAL) is a narrow strip of woven or processed material less than twelve inches (304.8 mm) in width. It is specifically designed to prevent any undesirable flow of current between conductors and other objects. The item tends to resist any physical change, in contrast to an insulating compound in tape form which will fuse under a specified heat or pressure. It may or may not have adhesive backing. Excludes items not having definite rated electrical characteristics, such as TAPE, ADHESIVE, RUBBER; TAPE, PRESSURE SENSITIVE ADHESIVE; TAPE, SEMI-CONDUCTING, ELECTRICAL; and TAPE, SHIELDING, ELECTRICAL. See also INSULATION CLOTH, ELECTRICAL and INSULATING COMPOUND, ELECTRICAL.
What is a Spacer Insulator? 19 Items
A Spacer Insulator (INSULATOR,SPACER) is an insulator having flat surfaces, with or without holes, whose thickness exceeds 25 percent of its length or width, whichever is smaller, and whose shape is other than round. It is used to support and/or separate electrical conductors and components. Excludes INSULATOR (1), STANDOFF; INSULATOR (1), PLATE; and INSULATOR (1), SPREADER.
What is a Special Purpose Electrical Insulation Sleeving? 116 Items
A Special Purpose Electrical Insulation Sleeving (INSULATION SLEEVING,ELECTRICAL,SPECIAL PURPOSE) is a rigid or flexible tubing having other than uniform fabricated shapes or forms. It is specifically designed to prevent any undesirable flow of current between conductors or between conductors and other objects. Includes shrinkable type items. Excludes items not having rated electrical characteristics. Also excludes BUSHING, SLEEVE; CABLE NIPPLE, ELECTRICAL; and INSULATION SLEEVING, ELECTRICAL.

Stock Items From Supply Class 5970 Stock Items From Supply Class 5970 Page 10 of 15

218747341
4452
RNCC: 3 | RNVC: 2
0035-1391
RNCC: 6 | RNVC: 9
218519754
743INSULATI0N
RNCC: 3 | RNVC: 2
218822796
4843550405
RNCC: 3 | RNVC: 2
218957513
PEP-MP-00073
RNCC: 3 | RNVC: 2
DM-00187
RNCC: 6 | RNVC: 9
218822808
PVC105-1-4BLACK
RNCC: 3 | RNVC: 2
4843550868
RNCC: 3 | RNVC: 2
211063650
57360
RNCC: 3 | RNVC: 2
YACAN10450
RNCC: 6 | RNVC: 9
218678037
M663010066
RNCC: 3 | RNVC: 2
218710447
75 1-000INW
RNCC: 3 | RNVC: 2
75-1INW
RNCC: 3 | RNVC: 2
218985744
C12796-0703
RNCC: 3 | RNVC: 2
218598619
2371347G1
RNCC: 3 | RNVC: 2
218624136
N0PARTN0
RNCC: 3 | RNVC: 1
200027365
717-688R
RNCC: 3 | RNVC: 2
218699672
SC4-0Z
RNCC: 3 | RNVC: 2
5970-0116
RNCC: 6 | RNVC: 9
218821816
6978696
RNCC: 3 | RNVC: 2
SIZE1FLEX
RNCC: 3 | RNVC: 2
271-669L
RNCC: 5 | RNVC: 2
219097568
FP197895-01
RNCC: 3 | RNVC: 2
213249064
3190
RNCC: 3 | RNVC: 2
3190
RNCC: 3 | RNVC: 2
3190
RNCC: 3 | RNVC: 2
218638223
SMB373712
RNCC: 3 | RNVC: 2
0026-3942
RNCC: 6 | RNVC: 9
218420237
551448
RNCC: 3 | RNVC: 2
218713421
2158600
RNCC: 3 | RNVC: 2
2158600G1
RNCC: 3 | RNVC: 2
2158600G001
RNCC: 5 | RNVC: 2
218908246
NAS1063D1-9
RNCC: 3 | RNVC: 2
218130089
16206
RNCC: 3 | RNVC: 2
21861
RNCC: 3 | RNVC: 2
218857289
411436-916
RNCC: 3 | RNVC: 2
219202029
1583738-1
RNCC: 3 | RNVC: 2
219210391
606-800324-000
RNCC: 3 | RNVC: 2
218947910
40-00890-001
RNCC: 3 | RNVC: 2
218846483
044INS01A
RNCC: 3 | RNVC: 2
218713424
2158611
RNCC: 3 | RNVC: 1
2158611G1
RNCC: 3 | RNVC: 2
2158611G001
RNCC: 5 | RNVC: 2
213249100
0ZITEB
RNCC: 3 | RNVC: 1
N0V0IDA
RNCC: 3 | RNVC: 1
NOVOIDA1GB
RNCC: 3 | RNVC: 1
0ZITEB
RNCC: 3 | RNVC: 1
5970-0054
RNCC: 6 | RNVC: 9
OZITEB1GAL
RNCC: 6 | RNVC: 9
5970-0058
RNCC: 6 | RNVC: 9
219105339
157776-001
RNCC: 3 | RNVC: 2
218974476
711A013H01
RNCC: 3 | RNVC: 2
711A013H01
RNCC: 3 | RNVC: 2
218026575
10-40817-7
RNCC: 3 | RNVC: 2
218005731
L678445-6
RNCC: 3 | RNVC: 2
218837404
122B077H01
RNCC: 3 | RNVC: 2
218985758
148226-001
RNCC: 3 | RNVC: 2
219102685
3522 334 12810
RNCC: 3 | RNVC: 2
3522 334 12811A
RNCC: 3 | RNVC: 2
218925469
536684-1
RNCC: 3 | RNVC: 2
218905390
75100122
RNCC: 3 | RNVC: 2
219001906
S-1246T-50-48-63
RNCC: 3 | RNVC: 2
218779559
56338
RNCC: 3 | RNVC: 2
218926996
MWTT-37/12-1200
RNCC: 3 | RNVC: 2
AWSP 50/100-24 IN. LG
RNCC: 5 | RNVC: 9
AWSP 75/150-24 IN. LG
RNCC: 5 | RNVC: 9
218003743
7042701P1
RNCC: 3 | RNVC: 2
218905380
4181-078
RNCC: 3 | RNVC: 2
85-692-0711
RNCC: 6 | RNVC: 9
218595146
TFT250
RNCC: 3 | RNVC: 1
TFT250-18
RNCC: 3 | RNVC: 2
218766267
G340033-5
RNCC: 3 | RNVC: 2
211063815
YC00059
RNCC: 3 | RNVC: 2
218697440
LE71
RNCC: 3 | RNVC: 1
GRADELE
RNCC: 3 | RNVC: 1
485-56-132-038
RNCC: 6 | RNVC: 9
219029423
8577122-1
RNCC: 3 | RNVC: 2
218927626
2678431-2
RNCC: 3 | RNVC: 2
218085619
MIL-I-631
RNCC: 3 | RNVC: 1
218508086
C83-2
RNCC: 3 | RNVC: 1
3838
RNCC: 3 | RNVC: 2
LC938
RNCC: 3 | RNVC: 2
218085621
MIL-I-631
RNCC: 4 | RNVC: 1
218835415
4777A
RNCC: 3 | RNVC: 2
219009205
6253001
RNCC: 3 | RNVC: 2
EXPANDO 1/2 IN
RNCC: 5 | RNVC: 2
6749085
RNCC: 6 | RNVC: 9
218507834
542-7472-003
RNCC: 3 | RNVC: 2
218085616
MIL-I-631
RNCC: 4 | RNVC: 1
218464806
PM1IC
RNCC: 3 | RNVC: 2
218926980
WRST-16 95/270
RNCC: 3 | RNVC: 2
218837384
AP443885
RNCC: 3 | RNVC: 2
218139005
347C721H01
RNCC: 3 | RNVC: 2
218946183
59700367
RNCC: 3 | RNVC: 2
218621402
2231708
RNCC: 3 | RNVC: 2
200063742
CSP222-6
RNCC: 3 | RNVC: 2
218747848
KC128355-1
RNCC: 3 | RNVC: 2
0035-1309
RNCC: 6 | RNVC: 9
200016290
425-142
RNCC: 3 | RNVC: 2
218620462
607R1
RNCC: 3 | RNVC: 2
5970-0106
RNCC: 6 | RNVC: 9
218589666
MIL-I-3190
RNCC: 4 | RNVC: 1
218925468
501-2-13624-000
RNCC: 3 | RNVC: 2
219125501
1151-FR-B-1-2
RNCC: 3 | RNVC: 2
218404011
A356885
RNCC: 3 | RNVC: 2
218926982
WRST-16 40/120
RNCC: 3 | RNVC: 2
218620474
601R3
RNCC: 3 | RNVC: 2
5970-0093
RNCC: 6 | RNVC: 9
218710271
208A086-4-42
RNCC: 3 | RNVC: 2
200005041
A0A-50
RNCC: 3 | RNVC: 2
218186933
PLX7006
RNCC: 3 | RNVC: 2
PLX7006 70 DURO
RNCC: 5 | RNVC: 9
218710894
VARGLASTYPEHSIZE3-8IN
RNCC: 3 | RNVC: 2
218845289
C3B175218
RNCC: 3 | RNVC: 2
218989101
54527
RNCC: 3 | RNVC: 2
218505942
1751
RNCC: 3 | RNVC: 2
218822805
SMB852065
RNCC: 3 | RNVC: 2
218531694
K4668644
RNCC: 3 | RNVC: 2
213244917
50SCOTCHRAP2INW
RNCC: 3 | RNVC: 2
219009202
P-2650
RNCC: 3 | RNVC: 1
066PERMACEL 2650
RNCC: 3 | RNVC: 1
213245134
MIL-I-631
RNCC: 4 | RNVC: 1
213244140
NO REF
RNCC: 3 | RNVC: 2
218926983
WRST-16 300/625
RNCC: 3 | RNVC: 2
218810056
606-9283-001
RNCC: 3 | RNVC: 2
218060709
375A949H01
RNCC: 3 | RNVC: 2
213247237
FIBRON5373SIZE9-16INIDRED
RNCC: 3 | RNVC: 2
218873185
14697
RNCC: 3 | RNVC: 2
218905377
MM2
RNCC: 3 | RNVC: 2
211012208
506W
RNCC: 3 | RNVC: 2
506W
RNCC: 3 | RNVC: 2
1012208
RNCC: 6 | RNVC: 9
5970-0046
RNCC: 6 | RNVC: 9
218757759
CC322
RNCC: 3 | RNVC: 2
218810564
82002-2
RNCC: 3 | RNVC: 2
218973866
FIT-300-3/8
RNCC: 3 | RNVC: 2
213240002
NS5W0110
RNCC: 3 | RNVC: 2
218463325
6-72101-5
RNCC: 3 | RNVC: 2
218747856
JANI8TYPENS5W4104ANDNS5W4204
RNCC: 2 | RNVC: 2
NS5W4104ANDNS5W4204
RNCC: 5 | RNVC: 2
0035-7004
RNCC: 6 | RNVC: 9
218735878
99-70321-773-4
RNCC: 3 | RNVC: 2
218589676
MIL-I-3190
RNCC: 4 | RNVC: 1
219097130
31756-29
RNCC: 3 | RNVC: 2
PS31756-29
RNCC: 5 | RNVC: 9
213243140
MIL-P-997
RNCC: 4 | RNVC: 1
219007112
S9046-3-9-204
RNCC: 3 | RNVC: 2
S9046-3-9-204
RNCC: 3 | RNVC: 2
218620472
602R1
RNCC: 3 | RNVC: 2
5970-0096
RNCC: 6 | RNVC: 9
219065875
FP189242-02
RNCC: 3 | RNVC: 2
218698318
8080001635
RNCC: 3 | RNVC: 2
218801817
7030411-00
RNCC: 3 | RNVC: 2
217343053
33743
RNCC: 3 | RNVC: 2
219006373
SCR-1
RNCC: 3 | RNVC: 2
218949014
NAS1515M16
RNCC: 3 | RNVC: 2
NAS1515M16
RNCC: 3 | RNVC: 2
213244851
MIL-Y-1140
RNCC: 4 | RNVC: 1
218025595
MS25227-5
RNCC: 2 | RNVC: 2
218803231
FP93376-01
RNCC: 3 | RNVC: 2
218710850
408596-1
RNCC: 3 | RNVC: 2
219102686
2639088-1
RNCC: 3 | RNVC: 2
218803236
250083
RNCC: 3 | RNVC: 2
18DTD5-66
RNCC: 3 | RNVC: 2
218637900
TRANSFLEX8
RNCC: 3 | RNVC: 1
MIL-I-631
RNCC: 4 | RNVC: 1
218812838
83315-1
RNCC: 3 | RNVC: 2
200034903
1135-061C
RNCC: 3 | RNVC: 2
218909557
THERMOFIT S 1030-1
RNCC: 3 | RNVC: 2
219102670
9390-289-00112
RNCC: 3 | RNVC: 2
4822-532-51476
RNCC: 5 | RNVC: 2
218812828
711933-1
RNCC: 3 | RNVC: 2
218792862
12-2000
RNCC: 3 | RNVC: 2
010937-6
RNCC: 5 | RNVC: 1
DDDS010937-6
RNCC: 5 | RNVC: 1
219126097
9481447-001
RNCC: 2 | RNVC: 2
218620460
608R1
RNCC: 3 | RNVC: 2
5970-0108
RNCC: 6 | RNVC: 9
200025447
A-S6013L
RNCC: 3 | RNVC: 2
200025442
A-S6027L
RNCC: 3 | RNVC: 2
218819894
30008-0018
RNCC: 3 | RNVC: 2
218780595
S-1246T-26-28-20
RNCC: 3 | RNVC: 2
218710898
VARGLASTYPEHSIZE3-4IN
RNCC: 3 | RNVC: 2