5310-00-639-7310 WASHER,SPRING TENSION Index 5310-00-639-7328 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-00-639-7320

Federal Supply Class:
5310

National Item Identification Number:
006397320

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:
760634519200US ARMY ARDEC RDECOM


Techincal Specification:
EXTERNAL KEY QUANTITY1
FEATURES PROVIDEDCASEHARDENED
HOLE DIAMETER0.252 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
OUTSIDE DIAMETER0.490 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS0.5887 INCHES MINIMUM AND 0.5962 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-46049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
TAPERED KEY MINOR WIDTH0.130 INCHES NOMINAL
TAPERED KEY MAJOR WIDTH0.155 INCHES NOMINAL


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