5310-01-112-8472, WASHER,KEY

National Stock Number:
5310-01-112-8472

Federal Supply Class:
5310

National Item Identification Number:
011128472

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:

12293661	18876	U S ARMY AVIATION AND MISSILE COMMAND
12293661	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

MATERIAL	ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/4 TEM T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR	KEY
HOLE DIAMETER	0.375 INCHES MINIMUM AND
	0.379 INCHES MAXIMUM
OUTSIDE DIAMETER	0.615 INCHES MINIMUM AND
	0.635 INCHES MAXIMUM
EXTERNAL PREBENT KEY LENGTH	0.153 INCHES NOMINAL
EXTERNAL PREBENT KEY WIDTH	0.125 INCHES NOMINAL
INTERNAL STRAIGHT KEY WIDTH	0.058 INCHES MINIMUM AND
	0.062 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY	0.154 INCHES MINIMUM AND
	0.158 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY	0.484 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS	0.932 INCHES MINIMUM AND
	0.972 INCHES MAXIMUM
MATERIAL THICKNESS	0.032 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE	18876
DESIGN CONTROL REFERENCE	12293661

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