Transformers: Distribution and Power Station - United Kingdom (UK)

Federal Supply Class (FSC): 6120

NATO Supply Classification Class (NSC): 6120

Federal Supply Group (FSG): 61 Electric Wire, and Power and Distribution Equipment

NATO Supply Classification Group (NSG): 61 Electric Wire, and Power and Distribution Equipment

Items Managed by United Kingdom (UK) - NCB is 99

Page 3 of 3

NSN Format for Transformers: Distribution and Power Station
Codified by United Kingdom

612099XXXXXXX
Group
FSG
ClassNCBIdentifier
FSC
Federal Supply Class
NIIN
NSN

NATO Supply Class 6120 is specifically designated for Transformers: Distribution And Power Station. This class falls under NATO Supply Group 61, which is dedicated to Electric Wire, And Power And Distribution Equipment.

Transformers in this class are designed for distribution and power station applications. They are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction. Transformers in this class are typically used to step up or step down voltage levels in power distribution systems.

These transformers are specifically designed for distribution and power station purposes, meaning they are intended for use in electrical power distribution networks and substations. They are built to handle high voltage levels and provide reliable and efficient power distribution.

NATO Supply Group 61, Electric Wire, And Power And Distribution Equipment, encompasses a wide range of electrical equipment used in power transmission and distribution systems. This includes various types of wires, cables, connectors, switches, circuit breakers, and other equipment necessary for the efficient and safe distribution of electrical power.

In summary, NATO Supply Class 6120 for Transformers: Distribution And Power Station is a specific category within NATO Supply Group 61 for Electric Wire, And Power And Distribution Equipment. It includes transformers designed for power distribution and station applications, while the supply group covers a broader range of electrical equipment used in power transmission and distribution systems.

FSC 6120 Transformers: Distribution and Power Station - United Kingdom (UK)
FSC 6120 Transformers: Distribution and Power Station - United Kingdom (UK)

Excludes Potential and Current Transformers

Frequently Asked Questions(FAQ) for Federal Supply Class 6120 Frequently Asked Questions(FAQ) for Federal Supply Class 6120

What is Federal Supply Class 6120?
FSC 6120 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 6120) in the USA for supply items codified in the category of Transformers: Distribution and Power Station.
What is NATO Supply Classification Class 6120?
NSC 6120 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 6120 in the USA) for supply items codified in the category of Transformers: Distribution and Power Station.
Which Federal Supply Group is FSC 6120 in?
FSC 6120 is in Federal Supply Group (FSG) 61 which contains Electric Wire, and Power and Distribution Equipment.
Which NATO Supply Classification Group is NSC 6120 in?
NSC 6120 is in NATO Supply Classification Group (NSG) 61 which contains Electric Wire, and Power and Distribution Equipment.

Supply Items Included in Federal Supply Class 6120 Supply Items Included in Federal Supply Class 6120

What is a Power Supply? 186 Items
A Power Supply is a component which converts available alternating current or direct current electrical power into a form required to operate another component or set. The item may consist of a combination of an INVERTOR, VIBRATOR; VIBRATOR, INTERRUPTER; VIBRATOR, SELF-RECTIFYING; INVERTOR, POWER, STATIC; with a transformer and rectifier(s) employing electron tubes, semiconductor diode or metallic (dry disc) type components, or the synchronized secondary contact(s) of a VIBRATOR, SELF-RECTIFYING; or may consist of electron tubes, semiconductor diode or metallic (dry disc) type rectifiers and capacitors in transformerless (alternating current-direct current type) circuits which may be of the voltage-multiplier type. The item may incorporate a FILTER, DIRECT CURRENT POWER and provisions for regulation of input and/or output voltage. The item may have special input, output, control or other facilities for applications in specialized environments such as medical, dental or other operations. Excludes battery chargers and rotating machinery types of items, such as motor generators and dynamotors.
What is a Power Transformer? 114 Items
A Power Transformer (TRANSFORMER,POWER) is a transformer consisting of one or more primary winding(s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an overall one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see TRANSFORMER (1), POWER, AUTOTRANSFORMER. Excludes TRANSFORMER (1), PULSE.

Stock Items From Supply Class 6120 Stock Items From Supply Class 6120 Page 3 of 3

991591717
PSE45-51212
RNCC: 3 | RNVC: 2
997181953
NO PRIMARY REF 99-718-1953
RNCC: 3 | RNVC: 2
TDS5810
RNCC: 5 | RNVC: 2
995152279
CX130-0008-843N
RNCC: 3 | RNVC: 2
994309447
NO PRIMARY REF 99-430-9447
RNCC: 3 | RNVC: 2
SK7486-121
RNCC: 5 | RNVC: 9
88300-305-424
RNCC: 6 | RNVC: 9
997420904
EU3320B005-041
RNCC: 3 | RNVC: 2
998215174
5.104-208
RNCC: 3 | RNVC: 2
P40261
RNCC: 5 | RNVC: 2
996514568
84/58061
RNCC: 3 | RNVC: 2
2884/58061
RNCC: 5 | RNVC: 2
EX84/858-64
RNCC: 5 | RNVC: 2
993163892
6515 S A1 DG 107433
RNCC: 3 | RNVC: 2
406-01-00-00
RNCC: 5 | RNVC: 2
FH980010007
RNCC: 6 | RNVC: 9
991197523
71B
RNCC: 3 | RNVC: 2
71B
RNCC: 5 | RNVC: 9
996236108
A3-110246 TYPE C
RNCC: 3 | RNVC: 2
A3-110246
RNCC: 5 | RNVC: 1
997501525
5175-11-322
RNCC: 3 | RNVC: 2
996338793
3980/00071
RNCC: 3 | RNVC: 2
E3980/00071
RNCC: 5 | RNVC: 2
994309611
NO PRIMARY REF 99-430-9611
RNCC: 3 | RNVC: 2
6000-49
RNCC: 5 | RNVC: 2
88300-300-334
RNCC: 6 | RNVC: 9
999570704
ET4220
RNCC: 3 | RNVC: 2
995999819
5000VA 230 V
RNCC: 3 | RNVC: 2
995286238
NO PRIMARY REF 99-528-6238
RNCC: 3 | RNVC: 2
A425
RNCC: 5 | RNVC: 2
K798-528-6238
RNCC: 6 | RNVC: 9
L3D26
RNCC: 6 | RNVC: 9
994565912
TAC-1605
RNCC: 3 | RNVC: 2
995280584
NO PRIMARY REF 99-528-0584
RNCC: 3 | RNVC: 2
ET1930A
RNCC: 5 | RNVC: 2
A1-74963
RNCC: 5 | RNVC: 2
007000345
RNCC: 6 | RNVC: 9
K304-528-0584
RNCC: 6 | RNVC: 9
999608976
NO PRIMARY REF 99-960-8976
RNCC: 3 | RNVC: 2
27774D
RNCC: 5 | RNVC: 2
996399585
NO PRIMARY REF 99-639-9585
RNCC: 3 | RNVC: 2
CT602099
RNCC: 5 | RNVC: 2
996514536
84/58053
RNCC: 3 | RNVC: 2
12884/58053
RNCC: 5 | RNVC: 2
EX84/858-34
RNCC: 5 | RNVC: 2
991479904
807965/000
RNCC: 3 | RNVC: 2
999466847
VAR1AC100LM
RNCC: 3 | RNVC: 9
994698386
NO PRIMARY REF 99-469-8386
RNCC: 3 | RNVC: 2
10K16872
RNCC: 5 | RNVC: 2
995349396
007 009 291
RNCC: 3 | RNVC: 2
A480
RNCC: 5 | RNVC: 2
994503519
AER1867/167
RNCC: 3 | RNVC: 2
007041830
RNCC: 5 | RNVC: 1
637EP1A04396 ITEM T3
RNCC: 5 | RNVC: 1
B23807
RNCC: 5 | RNVC: 2
MK40ASFC
RNCC: 6 | RNVC: 9
995798062
COOL RACK 1200
RNCC: 3 | RNVC: 2
995338439
PMA51-24
RNCC: 3 | RNVC: 2
997367653
1D776E/1/A
RNCC: 3 | RNVC: 2
1D776E
RNCC: 5 | RNVC: 2
999158283
47372-G001
RNCC: 3 | RNVC: 2
47372-0001
RNCC: 5 | RNVC: 2
997801721
GICS.50.
RNCC: 3 | RNVC: 1
11010
RNCC: 5 | RNVC: 1
80/47430
RNCC: 6 | RNVC: 9
995274646
37825
RNCC: 3 | RNVC: 2
996765119
13439
RNCC: 3 | RNVC: 2
991555949
183-11744/1
RNCC: 3 | RNVC: 2
334-11744
RNCC: 5 | RNVC: 2
996514564
84/58108
RNCC: 3 | RNVC: 2
2884/58108
RNCC: 5 | RNVC: 2
997107182
NO PRIMARY REF 99-710-7182
RNCC: 3 | RNVC: 2
148-82
RNCC: 5 | RNVC: 2
991097825
B4580
RNCC: 3 | RNVC: 2
C6032
RNCC: 5 | RNVC: 2
999545902
612Q
RNCC: 3 | RNVC: 1
BDC4341
RNCC: 5 | RNVC: 2
78AC78
RNCC: 6 | RNVC: 9
991999292
TAC-1630
RNCC: 3 | RNVC: 2
994066195
FH6795
RNCC: 3 | RNVC: 2
6795
RNCC: 5 | RNVC: 2
995323264
NO PRIMARY REF 99-532-3264
RNCC: 3 | RNVC: 2
RC3716-1SH1A
RNCC: 5 | RNVC: 2
T21R2
RNCC: 5 | RNVC: 9
991196852
PC890255-66
RNCC: 3 | RNVC: 2
997801719
G3CS8.0
RNCC: 3 | RNVC: 1
11028
RNCC: 5 | RNVC: 1
80/47431
RNCC: 6 | RNVC: 9
991122256
UPA000947
RNCC: 3 | RNVC: 2
997363945
SD5160
RNCC: 3 | RNVC: 2
CA005160
RNCC: 5 | RNVC: 2
SP SCM/10347
RNCC: 6 | RNVC: 9
042UT-004
RNCC: 6 | RNVC: 9
996514579
84/58068
RNCC: 3 | RNVC: 2
2884/58068
RNCC: 5 | RNVC: 2
EX84/858-27
RNCC: 5 | RNVC: 2
999687341
APS3-300
RNCC: 3 | RNVC: 2
8030100S00
RNCC: 5 | RNVC: 2
994075229
POWER SUPPLY FOR ELQ-200
RNCC: 3 | RNVC: 2
997598312
80/52339
RNCC: 3 | RNVC: 2
G3CS2.5
RNCC: 5 | RNVC: 1
995494578
4052.3041.00
RNCC: 3 | RNVC: 2
021NZ-006
RNCC: 6 | RNVC: 9
995860807
VCT-3000
RNCC: 3 | RNVC: 2
CX130-0007-221N
RNCC: 5 | RNVC: 2
993979144
IN-53643
RNCC: 3 | RNVC: 2
RDI 3000
RNCC: 6 | RNVC: 9
995252863
NO PRIMARY REF 99-525-2863
RNCC: 3 | RNVC: 2
ES189255ITEMH194
RNCC: 5 | RNVC: 2
ES1892551SH194
RNCC: 6 | RNVC: 9
995499337
CMV2E-1
RNCC: 3 | RNVC: 2
347-3675
RNCC: 5 | RNVC: 2
991520532
01232 1705 A
RNCC: 3 | RNVC: 2
997801722
GICS2-5
RNCC: 3 | RNVC: 1
10287
RNCC: 5 | RNVC: 1
BSL-10287
RNCC: 5 | RNVC: 2
81/56320
RNCC: 6 | RNVC: 9
994305101
NO PRIMARY REF 99-430-5101
RNCC: 3 | RNVC: 2
6000-33
RNCC: 5 | RNVC: 2
88300-304-496
RNCC: 6 | RNVC: 9
993041139
RBC5400
RNCC: 3 | RNVC: 2
995386494
NO PRIMARY REF 99-538-6494
RNCC: 3 | RNVC: 2
MA1-05481
RNCC: 5 | RNVC: 2
996021114
NO PRIMARY REF 99-602-1114
RNCC: 3 | RNVC: 2
PSU
RNCC: 5 | RNVC: 9
997538205
MML600-48J12C18D
RNCC: 3 | RNVC: 2
995247237
NO PRIMARY REF 99-524-7237
RNCC: 3 | RNVC: 2
ES189255R5
RNCC: 5 | RNVC: 2
7574-524-7237
RNCC: 6 | RNVC: 9
995247245
NO PRIMARY REF 99-524-7245
RNCC: 3 | RNVC: 2
C4278336
RNCC: 5 | RNVC: 2
7574-524-7245
RNCC: 6 | RNVC: 9
991579325
ASO-ARG150-PSU1
RNCC: 3 | RNVC: 2
ASO-ARG150-PSU1
RNCC: 5 | RNVC: 2
996816104
151/UNI-DIN4
RNCC: 3 | RNVC: 2
996200376
NO PRIMARY REF 99-620-0376
RNCC: 3 | RNVC: 2
64-45965
RNCC: 5 | RNVC: 9
992705214
3248/01050
RNCC: 3 | RNVC: 2
D3248/01050
RNCC: 5 | RNVC: 2
3248/01050
RNCC: 5 | RNVC: 9
D3248/01050
RNCC: 5 | RNVC: 9
994224905
NO PRIMARY REF 99-422-4905
RNCC: 3 | RNVC: 2
MVX2004929-1
RNCC: 5 | RNVC: 2
88604-606-356
RNCC: 6 | RNVC: 9
992510919
85/90638
RNCC: 3 | RNVC: 2
10302
RNCC: 5 | RNVC: 1
994392943
NO PRIMARY REF 99-439-2943
RNCC: 3 | RNVC: 2
XN1040
RNCC: 5 | RNVC: 2
999019191
NO PRIMARY REF 99-901-9191
RNCC: 3 | RNVC: 2
434243
RNCC: 5 | RNVC: 2
999783597
EU3320B001-042
RNCC: 3 | RNVC: 2
1MEV5K5
RNCC: 6 | RNVC: 9
991521722
NO PRIMARY REF 99-152-1722
RNCC: 3 | RNVC: 2
24321
RNCC: 5 | RNVC: 2
24321
RNCC: 5 | RNVC: 9
995537245
NO PRIMARY REF 99-553-7245
RNCC: 3 | RNVC: 2
L-3 069
RNCC: 5 | RNVC: 2
997921398
TG 3143
RNCC: 3 | RNVC: 2
T182A/V206 ITEM 1
RNCC: 5 | RNVC: 2
995252861
NO PRIMARY REF 99-525-2861
RNCC: 3 | RNVC: 2
ES189255ITEMR23
RNCC: 5 | RNVC: 2
992206096
007528619
RNCC: 3 | RNVC: 2
R.B 130386
RNCC: 5 | RNVC: 2
R.B130386/20/3
RNCC: 5 | RNVC: 2
007538150
RNCC: 5 | RNVC: 2
875/18/4143
RNCC: 6 | RNVC: 9
997801723
GFCB.200
RNCC: 3 | RNVC: 1
11029
RNCC: 5 | RNVC: 1
81/58393
RNCC: 6 | RNVC: 9
992519923
207-481
RNCC: 3 | RNVC: 2
RS-207-481
RNCC: 5 | RNVC: 2
996514581
84/57063
RNCC: 3 | RNVC: 2
2884/57063
RNCC: 5 | RNVC: 2
996514580
84-57216
RNCC: 3 | RNVC: 2
997966985
100130-010
RNCC: 3 | RNVC: 2
2/T112651
RNCC: 5 | RNVC: 1
WF800
RNCC: 5 | RNVC: 1
995290145
NO PRIMARY REF 99-529-0145
RNCC: 3 | RNVC: 2
XD652175
RNCC: 5 | RNVC: 2
EDC5995-1-1
RNCC: 5 | RNVC: 2
998149492
201-108700
RNCC: 3 | RNVC: 2
103-107218
RNCC: 5 | RNVC: 2
995545667
AD1120
RNCC: 3 | RNVC: 2
007-000-386
RNCC: 5 | RNVC: 2
007000386
RNCC: 5 | RNVC: 2
995633899
L/3/E/13
RNCC: 3 | RNVC: 2
995337762
NO PRIMARY REF 99-533-7762
RNCC: 3 | RNVC: 2
BD50118
RNCC: 5 | RNVC: 2
K291-902770
RNCC: 6 | RNVC: 9
995097180
A41/063/41
RNCC: 3 | RNVC: 2
6HA-924
RNCC: 6 | RNVC: 9
994508770
NO PRIMARY REF 99-450-8770
RNCC: 3 | RNVC: 2
V7VG0073
RNCC: 5 | RNVC: 2
999608959
NO PRIMARY REF 99-960-8959
RNCC: 3 | RNVC: 2
27667D
RNCC: 5 | RNVC: 2
992134992
WG1481-2598-001
RNCC: 3 | RNVC: 2
994061134
S09095-06-01-R01-1PSU1
RNCC: 3 | RNVC: 2
40065076
RNCC: 6 | RNVC: 9
995628246
NO PRIMARY REF 99-562-8246
RNCC: 3 | RNVC: 2
DV CA 25
RNCC: 5 | RNVC: 2
997767346
CV24/50T4151
RNCC: 3 | RNVC: 2
995034097
SYSTEM 8 VPS
RNCC: 3 | RNVC: 2
992134123
WT1507
RNCC: 3 | RNVC: 2
231-8123
RNCC: 5 | RNVC: 2
995952291
AP30250A
RNCC: 3 | RNVC: 2
AP30-250
RNCC: 5 | RNVC: 2
992E4-155
RNCC: 6 | RNVC: 9
997607499
A518
RNCC: 3 | RNVC: 2
007-014-762
RNCC: 5 | RNVC: 1
007014762
RNCC: 5 | RNVC: 1
991515369
CFAA1653AE
RNCC: 3 | RNVC: 2
302-052066
RNCC: 5 | RNVC: 2
CFAA1653AE
RNCC: 5 | RNVC: 2
HW10-PAN-CFAA1653AE
RNCC: 5 | RNVC: 2
994519318
C44522
RNCC: 3 | RNVC: 2
Z4ZD05270
RNCC: 6 | RNVC: 9
999496933
T5167V30HG3
RNCC: 3 | RNVC: 1
W1S6669-1-1
RNCC: 5 | RNVC: 1
997362833
20940-049-00-8
RNCC: 3 | RNVC: 2
D689/1/09957/000
RNCC: 5 | RNVC: 2
DCR20940-049-00-8
RNCC: 5 | RNVC: 2
995255621
NO PRIMARY REF 99-525-5621
RNCC: 3 | RNVC: 2
BD86780
RNCC: 5 | RNVC: 2
SK1787379
RNCC: 5 | RNVC: 2
994224897
NO PRIMARY REF 99-422-4897
RNCC: 3 | RNVC: 2
MVX2004552-3
RNCC: 5 | RNVC: 2
88604-606-347
RNCC: 6 | RNVC: 9
996514578
84/58066
RNCC: 3 | RNVC: 2
2884/58066
RNCC: 5 | RNVC: 2
EX84/858-24
RNCC: 5 | RNVC: 2
991478556
NO PRIMARY REF 99-147-8556
RNCC: 3 | RNVC: 2
N12033
RNCC: 5 | RNVC: 2
RSPN1081-2
RNCC: 5 | RNVC: 2
050ES-0005
RNCC: 6 | RNVC: 9
994309971
NO PRIMARY REF 99-430-9971
RNCC: 3 | RNVC: 2
DEE151R7
RNCC: 5 | RNVC: 9
88300-301-098
RNCC: 6 | RNVC: 9
994309449
NO PRIMARY REF 99-430-9449
RNCC: 3 | RNVC: 2
SK-7486-169
RNCC: 5 | RNVC: 2
SK7486-169
RNCC: 5 | RNVC: 9
88300-305-426
RNCC: 6 | RNVC: 9
992761941
CIS4B9.00.1213-5
RNCC: 3 | RNVC: 2
110S7-001
RNCC: 6 | RNVC: 9
996134309
MSF 15-24
RNCC: 3 | RNVC: 2
995247238
NO PRIMARY REF 99-524-7238
RNCC: 3 | RNVC: 2
ES189255K11
RNCC: 5 | RNVC: 2
7574-524-7238
RNCC: 6 | RNVC: 9
995247243
NO PRIMARY REF 99-524-7243
RNCC: 3 | RNVC: 2
C4277410
RNCC: 5 | RNVC: 2
7574-524-7243
RNCC: 6 | RNVC: 9
997649903
88/58317/2
RNCC: 3 | RNVC: 2
GFST
RNCC: 5 | RNVC: 1
GFST1500
RNCC: 5 | RNVC: 1
GFST1250
RNCC: 6 | RNVC: 9
995338440
PMA54-24
RNCC: 3 | RNVC: 2
997636625
A549
RNCC: 3 | RNVC: 2
007 014 889/02
RNCC: 5 | RNVC: 2
993867814
8-889-02
RNCC: 3 | RNVC: 2
991516742
371-03633-000
RNCC: 3 | RNVC: 2
P3350/4/4 ITEM 56
RNCC: 5 | RNVC: 2
994224895
NO PRIMARY REF 99-422-4895
RNCC: 3 | RNVC: 2
MVX2004552-1
RNCC: 5 | RNVC: 2
88604-606-345
RNCC: 6 | RNVC: 9
999096341
CA008025
RNCC: 3 | RNVC: 2
SD8025
RNCC: 5 | RNVC: 2
050FQ-020
RNCC: 6 | RNVC: 9
994645648
334-11692
RNCC: 3 | RNVC: 2
183-11692/1
RNCC: 5 | RNVC: 2
992076735
NO PRIMARY REF 99-207-6735
RNCC: 3 | RNVC: 2
23086-1
RNCC: 5 | RNVC: 9
996514559
84-58128
RNCC: 3 | RNVC: 2
999608961
NO PRIMARY REF 99-960-8961
RNCC: 3 | RNVC: 2
27633D
RNCC: 5 | RNVC: 2
999608962
NO PRIMARY REF 99-960-8962
RNCC: 3 | RNVC: 2
27629D
RNCC: 5 | RNVC: 2
995435130
RL3390-266-14
RNCC: 3 | RNVC: 2
RL3390-266-14
RNCC: 5 | RNVC: 2
994704442
NO PRIMARY REF 99-470-4442
RNCC: 3 | RNVC: 2
T3559
RNCC: 5 | RNVC: 2
10K18024
RNCC: 6 | RNVC: 9
997744218
78302
RNCC: 3 | RNVC: 2
6005/81
RNCC: 5 | RNVC: 1
997681513
500VA/440/110V
RNCC: 3 | RNVC: 2
995381425
R123
RNCC: 3 | RNVC: 2
2/154 267
RNCC: 6 | RNVC: 9
999239092
611/7/28220/000/RRA
RNCC: 3 | RNVC: 2
611/7/28220/000
RNCC: 5 | RNVC: 1
GR128461
RNCC: 5 | RNVC: 2
994706966
A3-110246 TYPE A
RNCC: 3 | RNVC: 2
A3-110246
RNCC: 5 | RNVC: 1
994392942
NO PRIMARY REF 99-439-2942
RNCC: 3 | RNVC: 2
XN1039
RNCC: 5 | RNVC: 2
996514557
84/58113
RNCC: 3 | RNVC: 2
994251247
91/37215
RNCC: 3 | RNVC: 2
DWS2098-8
RNCC: 5 | RNVC: 2
88500-500-532
RNCC: 6 | RNVC: 9
H101
RNCC: 6 | RNVC: 9
RD8101
RNCC: 6 | RNVC: 9
997810053
81/57324
RNCC: 3 | RNVC: 2
GICS2.5
RNCC: 5 | RNVC: 1
999071690
NO PRIMARY REF 99-907-1690
RNCC: 3 | RNVC: 2
31H24446
RNCC: 5 | RNVC: 2
P440-60HZ-S115-300VA
RNCC: 5 | RNVC: 2
991522462
AD 115/230-12 036
RNCC: 3 | RNVC: 2
993599173
XC6000-1011
RNCC: 3 | RNVC: 2
118MH-002
RNCC: 6 | RNVC: 9