5310-01-063-3792, WASHER,KEY

National Stock Number:
5310-01-063-3792

Federal Supply Class:
5310

National Item Identification Number:
010633792

Description:
WASHER,KEY

Detail:
A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Manufacturer Information:

12254077

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

EXTERNAL PREBENT KEY ANGLE	30.0 DEGREES NOMINAL
EXTERNAL PREBENT KEY LENGTH	0.251 INCHES NOMINAL
EXTERNAL PREBENT KEY WIDTH	0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HARDNESS RATING	25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
HEAT TREATMENT	QUENCHED AND TEMPERED
HOLE DIAMETER	1.755 INCHES MINIMUM AND 1.765 INCHES MAXIMUM
OUTSIDE DIAMETER	2.625 INCHES NOMINAL
MATERIAL THICKNESS	0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OR STEEL COMP 5130 OR STEEL COMP 8630 OVERALL
SPECIAL FEATURES	TWO EXTERNAL KEYS PREBENT INWARD INSTEAD OF OUTWARD AND CHAMFER 0.060 IN. BY 45 DEG ONEEDGE
STYLE DESIGNATOR	KEY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-P-16232,TY M,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL

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