5310-01-258-8887, WASHER,LOCK

7530-01-258-8886 CHART,RECORDING INSTRUMENT

National Stock Number:
5310-01-258-8887

Federal Supply Class:
5310

National Item Identification Number:
012588887

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:

FF-W-100	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51413-1	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

HARDNESS RATING	89.0 ROCKWELL B MINIMUM AND 94.0 ROCKWELL B MAXIMUM
HOLE DIAMETER	0.115 INCHES MINIMUM AND 0.123 INCHES MAXIMUM
OUTSIDE DIAMETER	0.255 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS	0.015 INCHES MINIMUM AND 0.019 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 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
STYLE DESIGNATOR	FLAT INTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633,TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL

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