5310-01-454-9951, WASHER,LOCK

National Stock Number:
5310-01-454-9951

Federal Supply Class:
5310

National Item Identification Number:
014549951

Description:
WASHER,LOCK

Detail:
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Manufacturer Information:

12387381-33

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS	0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
MATERIAL	STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OVERALL
OUTSIDE DIAMETER	0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
STYLE DESIGNATOR	FLAT EXTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL

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