5310-00-253-8276, WASHER,KEY

5360-00-253-8280 SPRING,HELICAL,COMPRESSION

National Stock Number:
5310-00-253-8276

Federal Supply Class:
5310

National Item Identification Number:
002538276

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:

10477799	A486G	NIMIKKEISTOKESKUS NCB FINLAND
MS9581-08	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR	90 DEGREE LOCKING KEY
HOLE DIAMETER	0.170 INCHES MINIMUM AND
	0.175 INCHES MAXIMUM
OUTSIDE DIAMETER	0.310 INCHES MINIMUM AND
	0.320 INCHES MAXIMUM
EXTERNAL PREBENT KEY LENGTH	0.080 INCHES MINIMUM AND
	0.090 INCHES MAXIMUM
EXTERNAL TAPERED KEY WIDTH	0.175 INCHES MINIMUM AND
	0.185 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH	0.080 INCHES MINIMUM AND
	0.085 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY	0.181 INCHES MINIMUM AND
	0.191 INCHES MAXIMUM
MATERIAL THICKNESS	0.170 INCHES MINIMUM AND
	0.175 INCHES MAXIMUM
ANGLE BETWEEN EXTERNAL KEYS	48.0 DEGREES MINIMUM AND
	52.0 DEGREES MAXIMUM
EXTERNAL PREBENT KEY ANGLE	15.0 DEGREES NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS9581-08

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