5310-00-527-5581, WASHER,KEY

National Stock Number:
5310-00-527-5581

Federal Supply Class:
5310

National Item Identification Number:
005275581

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:

5025613	19200	US ARMY ARDEC RDECOM
5025613	19205	SPRINGFIELD ARMORY

Techincal Specification:

DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY	0.4372 INCHES NOMINAL
EXTERNAL PREBENT KEY ANGLE	90.0 DEGREES NOMINAL
EXTERNAL PREBENT KEY LENGTH	0.128 INCHES NOMINAL
EXTERNAL PREBENT KEY WIDTH	0.187 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HOLE DIAMETER	0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
OUTSIDE DIAMETER	0.625 INCHES NOMINAL
OVERALL DISTANCE INCLUDING KEYS	0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.0338 INCHES MINIMUM AND 0.0538 INCHES MAXIMUM
MATERIAL	STEEL COMP 1025 OVERALL
SPECIAL FEATURES	INSIDE DIA HAS A 12-POINT HOLE SHAPE
STYLE DESIGNATOR	KEY
SURFACE TREATMENT	PHOSPHATE OVERALL

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