5310-00-591-6739, WASHER,KEY

National Stock Number:
5310-00-591-6739

Federal Supply Class:
5310

National Item Identification Number:
005916739

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:

S1610-23093-1

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

MATERIAL	NICKEL ALLOY AND
	STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281,CLASS A FED SPEC 1ST MATERIAL RESPONSE AND
	MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	EPOXY OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	SS-8656,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTERNAL KEY QUANTITY	19
INTERNAL KEY QUANTITY	1
HOLE DIAMETER	3.515 INCHES MINIMUM AND
	3.535 INCHES MAXIMUM
OUTSIDE DIAMETER	4.125 INCHES MINIMUM AND
	4.145 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH	0.281 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH	0.297 INCHES MINIMUM AND
	0.327 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH	0.340 INCHES MINIMUM AND
	0.360 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	4.812 INCHES MINIMUM AND
	4.842 INCHES MAXIMUM
MATERIAL THICKNESS	0.063 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE	78286
DESIGN CONTROL REFERENCE	S1610-23093-1

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