5310-01-344-8252, WASHER,KEY

National Stock Number:
5310-01-344-8252

Federal Supply Class:
5310

National Item Identification Number:
013448252

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:

MS9581-11

96906

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY	0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
ANGLE BETWEEN EXTERNAL KEYS	58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM
EXTERNAL PREBENT KEY ANGLE	15.0 DEGREES NOMINAL
EXTERNAL PREBENT KEY LENGTH	0.050 INCHES NOMINAL
EXTERNAL PREBENT KEY WIDTH	0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
EXTERNAL TAPERED KEY WIDTH	0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
HEAT TREATMENT	STRESS RELIEVED
HOLE DIAMETER	0.320 INCHES MINIMUM AND 0.325 INCHES MAXIMUM
OUTSIDE DIAMETER	0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
MATERIAL	STEEL COMP 321 OVERALL
STYLE DESIGNATOR	90 DEGREE LOCKING KEY
SURFACE FINISH	32.0 MICROINCHES TOP

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