5310-01-148-9780, WASHER,KEY

National Stock Number:
5310-01-148-9780

Federal Supply Class:
5310

National Item Identification Number:
011489780

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:

MIL-W-21338	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS19070-322	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

EXTERNAL KEY QUANTITY	19
EXTERNAL PREBENT KEY WIDTH	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
HARDNESS RATING	50.0 BRINELL MINIMUM AND 81.0 BRINELL MAXIMUM
HEAT TREATMENT	ANNEALED
HOLE DIAMETER	6.389 INCHES MINIMUM AND 6.424 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH	0.312 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH	0.500 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
MATERIAL THICKNESS	0.148 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 1 CLASS
OUTSIDE DIAMETER	7.438 INCHES MINIMUM AND 7.498 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	8.438 INCHES MAXIMUM
STYLE DESIGNATOR	KEY

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