5310-00-531-1887, WASHER,KEY

6640-00-531-1890 COVER GLASS,MICROSCOPE SLIDE

National Stock Number:
5310-00-531-1887

Federal Supply Class:
5310

National Item Identification Number:
005311887

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:

1007816-4	59364	HONEYWELL INTERNATIONAL INC.
1007816-4	77068	ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV

Techincal Specification:

DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY	0.250 INCHES NOMINAL
EXTERNAL PREBENT KEY LENGTH	0.108 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	0.294 INCHES MINIMUM AND 0.296 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	TYPE NI-SPAN-C FSCM 79356 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.012 INCHES NOMINAL
MATERIAL	NICKEL ALLOY OVERALL
OUTSIDE DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS	1.324 INCHES MINIMUM AND 1.364 INCHES MAXIMUM
SPECIAL FEATURES	3 TABS EQUALLY SPACED
STYLE DESIGNATOR	KEY

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