1240-00-765-1977 MOUNT,SIGHT Index 5355-00-765-1979 POINTER,DIAL

National Stock Number:
5310-00-765-1978

Federal Supply Class:
5310

National Item Identification Number:
007651978

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:
765197819200US ARMY ARDEC RDECOM


Techincal Specification:
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.308 INCHES NOMINAL
EXTERNAL PREBENT KEY LENGTH0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH0.148 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
HOLE DIAMETER0.376 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
OUTSIDE DIAMETER0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS0.5685 INCHES MINIMUM AND 0.5785 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-700 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.035 INCHES NOMINAL
MATERIALSTEEL COMP 1022 OVERALL
STYLE DESIGNATORKEY
SURFACE FINISH63.0 MICROINCHES INNER
SURFACE TREATMENTPHOSPHATE OVERALL


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