5305-00-925-8638 SCREW,MACHINE Index 5310-00-925-8641 WASHER,RECESSED

National Stock Number:
5310-00-925-8639

Federal Supply Class:
5310

National Item Identification Number:
009258639

Description:
WASHER,LOCK

Detail:
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces


Manufacturer Information:
369A140702731MCDONNELL DOUGLAS HELICOPTER CO INC
369A14078V613THE BOEING COMPANY


Techincal Specification:
HEAT TREATMENTAS FABRICATED
HOLE DIAMETER0.695 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
OUTSIDE DIAMETER1.650 INCHES MINIMUM AND 1.670 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
MATERIALSTEEL COMP 4130 OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL


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