National Item Identification Number

01-491-2031
014912031
5970-01-491-2031
5970014912031

National Stock Number

Item Name

INSULATOR,WASHER

Federal Supply Class

5970

Description

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

Commercial and Government Entity Code (Supplier Data)

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03538

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LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622

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03538

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LOCKHEED MARTIN CORPORATION
DBA MS2 DIV MARITIME SYSTEMS &
497 ELECTRONICS PKWY 5 BLD
LIVERPOOL
NY
13088
315-456-2622

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Reference Numbers (Part Numbers)

77C959817
77C959817P001

Required Categories

STYLE DESIGNATOR
INSIDE DIAMETER
OUTSIDE DIAMETER
OVERALL HEIGHT
MATERIAL AN

Required Description

Q1 ROUND, FLAT
0.383 INCHES MINIMUM AND
0.395 INCHES MAXIMUM
1.050 INCHES NOM