5310-00-771-2300, WASHER,KEY

National Stock Number:
5310-00-771-2300

Federal Supply Class:
5310

National Item Identification Number:
007712300

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:

S1510-23458

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

EXTERNAL STRAIGHT KEY WIDTH	0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
EXTERNAL KEY QUANTITY	37
HOLE DIAMETER	6.525 INCHES MINIMUM AND 6.535 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.056 INCHES NOMINAL
MATERIAL	STEEL COMP 302 OR NICKEL ALLOY AND COPPER ALLOY OVERALL
OUTSIDE DIAMETER	7.062 INCHES MINIMUM AND 7.082 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	7.750 INCHES NOMINAL
STYLE DESIGNATOR	KEY
SURFACE FINISH	100.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
WIDTH BETWEEN FLATS	6.3735 INCHES MINIMUM AND 6.3775 INCHES MAXIMUM

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