5325-00-639-3819 FASTENER,SLIDE,INTERLOCKING Index 5950-00-639-3821 TRANSFORMER,POWER

National Stock Number:
5310-00-639-3820

Federal Supply Class:
5310

National Item Identification Number:
006393820

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:
37B2990-0380049DEPARTMENT OF THE AIR FORCE


Techincal Specification:
EXTERNAL KEY QUANTITY6
EXTERNAL PREBENT KEY WIDTH0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HOLE DIAMETER0.684 INCHES MINIMUM AND 0.689 INCHES MAXIMUM
INTERNAL PREBENT KEY WIDTH0.105 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
INTERNAL PREBENT KEY LENGTH0.0625 INCHES NOMINAL
OUTSIDE DIAMETER0.9775 INCHES MINIMUM AND 0.9975 INCHES MAXIMUM
OVERALL DISTANCE INCLUDING KEYS1.240 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7809 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.042 INCHES NOMINAL
MATERIALSTEEL OVERALL
STYLE DESIGNATORKEY
SURFACE TREATMENTCADMIUM OR ZINC OVERALL


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