5310-00-177-1301 WASHER,LOCK Index 5310-00-177-1304 NUT,PLAIN,ROUND

National Stock Number:
5310-00-177-1302

Federal Supply Class:
5310

National Item Identification Number:
001771302

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:
862638919200US ARMY ARDEC RDECOM


Techincal Specification:
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
EXTERNAL PREBENT KEY LENGTH0.024 INCHES MINIMUM AND 0.027 INCHES MAXIMUM
HOLE DIAMETER0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.030 INCHES MINIMUM AND 0.031 INCHES MAXIMUM
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OVERALL
OUTSIDE DIAMETER0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS0.384 INCHES MINIMUM AND 0.389 INCHES MAXIMUM
STYLE DESIGNATORKEY
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
SURFACE FINISH63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171 FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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