5310-01-050-9020, WASHER,KEY

National Stock Number:
5310-01-050-9020

Federal Supply Class:
5310

National Item Identification Number:
010509020

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:

MS19070-153

96906

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

Techincal Specification:

MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	FED. STD 66 NOS. 302,303,304 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
HARDNESS RATING	50.0 ROCKWELL C MINIMUM AND
	81.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	KEY
EXTERNAL KEY QUANTITY	15
HOLE DIAMETER	2.973 INCHES MINIMUM AND
	3.003 INCHES MAXIMUM
OUTSIDE DIAMETER	3.562 INCHES MINIMUM AND
	3.592 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH	0.188 INCHES MINIMUM AND
	0.250 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH	0.298 INCHES MINIMUM AND
	0.328 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH	0.250 INCHES MINIMUM AND
	0.290 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	4.099 INCHES MINIMUM AND
	4.119 INCHES MAXIMUM
MATERIAL THICKNESS	0.067 INCHES MINIMUM AND
	0.077 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS19070-153

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