Electrical Insulators and Insulating Materials from United Kingdom (UK)

Question 1

What is Federal Supply Class 5970?

Accepted Answer

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.

Question 2

What is NATO Supply Classification Class 5970?

Accepted Answer

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.

Question 3

Which Federal Supply Group is FSC 5970 in?

Accepted Answer

FSC 5970 is in Federal Supply Group (FSG) 59 which contains Electrical and Electronic Equipment Components.

Question 4

Which NATO Supply Classification Group is NSC 5970 in?

Accepted Answer

NSC 5970is in NATO Supply Classification Group (NSG) 59 which contains Electrical and Electronic Equipment Components.

Question 5

What is an Insulator Assembly?

Accepted Answer

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.

Question 6

What is a Standoff Insulator?

Accepted Answer

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.

Question 7

What is a Strain Insulator?

Accepted Answer

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.

Question 8

What is an Electrical Insulation Sheet?

Accepted Answer

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).

Question 9

What is an Electrical Insulation Sleeving?

Accepted Answer

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.

Question 10

What is a Cooling Electrical Insulator?

Accepted Answer

A Cooling Electrical Insulator (INSULATOR,ELECTRICAL,COOLING) is an item consisting of a coil of insulating tubing for the purpose of containing a column of liquid. This liquid is used to cool an element at a high electrical potential from ground (such as the plate of an electron tube or a high wattage resistor), and the column is of such length as to provide resistance sufficient to reduce the leakage of current between the element at high potential and the low-potential cooling system to a negligible value.

Question 11

What is an Electrical Insulation Rod?

Accepted Answer

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).

Question 12

What is an Electrical Insulating Varnish?

Accepted Answer

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.

Question 13

What is an Electrical Insulating Compound?

Accepted Answer

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.

Question 14

What is a Washer Insulator?

Accepted Answer

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

Question 15

What is a Disk Insulator?

Accepted Answer

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.

Question 16

What is a Plate Insulator?

Accepted Answer

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.

Question 17

What is a Bead Insulator?

Accepted Answer

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.

Question 18

What is a Bowl Insulator?

Accepted Answer

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.

Question 19

What is a Bushing Insulator?

Accepted Answer

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.

Question 20

What is an Angle Bracket Insulator?

Accepted Answer

An Angle Bracket Insulator (INSULATOR,ANGLE BRACKET) is an insulator formed into a dihedral angle (generally a right angle) designed to position, align or support an item(s) in relation to another.

Question 21

What is an Electrical Textile Sleeving?

Accepted Answer

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.

Question 22

What is an Electrical Insulation Tape?

Accepted Answer

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.

Question 23

What is a Spacer Insulator?

Accepted Answer

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.

Question 24

What is a Special Purpose Electrical Insulation Sleeving?

Accepted Answer

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.

Electrical Insulators and Insulating Materials - United Kingdom (UK)

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 United Kingdom (UK) - NCB is 99

Page 26 of 73

NSN Format for Electrical Insulators and Insulating Materials
Codified by United Kingdom

Frequently Asked Questions(FAQ) for Federal Supply Class 5970

Supply Items Included in Federal Supply Class 5970

Stock Items From Supply Class 5970 Page 26 of 73