5310-00-639-3809 WASHER,FLAT Index 5325-00-639-3819 FASTENER,SLIDE,INTERLOCKING

National Stock Number:
5310-00-639-3811

Federal Supply Class:
5310

National Item Identification Number:
006393811

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:
213866388277THE BOEING COMPANY


Techincal Specification:
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY1.363 INCHES MINIMUM AND 1.373 INCHES MAXIMUM
HEAT TREATMENTNORMALIZED OR SPHEROIDIZED
HOLE DIAMETER2.947 INCHES MINIMUM AND 2.967 INCHES MAXIMUM
INTERNAL STRAIGHT KEY WIDTH0.177 INCHES MINIMUM AND 0.182 INCHES MAXIMUM
INTERNAL KEY QUANTITY1
OUTSIDE DIAMETER3.740 INCHES MINIMUM AND 3.760 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
MATERIALSTEEL COMP 4130 OVERALL
STYLE DESIGNATORKEY
SURFACE TREATMENTCADMIUM OVERALL


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