5310-00-413-4478, WASHER,KEY

National Stock Number:
5310-00-413-4478

Federal Supply Class:
5310

National Item Identification Number:
004134478

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:

MS19070-203

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	0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HARDNESS RATING	70.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM
HOLE DIAMETER	3.988 INCHES MINIMUM AND 4.018 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH	0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH	0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM
OUTSIDE DIAMETER	4.812 INCHES MINIMUM AND 4.857 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	5.500 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS	0.088 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
STYLE DESIGNATOR	KEY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL

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