5310-01-208-4146, WASHER,KEY

5310-01-208-4145 NUT,SELF-LOCKING,DOUBLE HEXAGON

National Stock Number:
5310-01-208-4146

Federal Supply Class:
5310

National Item Identification Number:
012084146

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:

MS21258-55	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21258-55	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY	1.552 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
HOLE DIAMETER	3.443 INCHES MINIMUM AND 3.453 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH	0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
INTERNAL KEY QUANTITY	1
OUTSIDE DIAMETER	4.720 INCHES MINIMUM AND 4.780 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
MATERIAL	STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
STYLE DESIGNATOR	KEY
SURFACE TREATMENT	CADMIUM OR ZINC OVERALL

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