5365-00-638-6570 SPACER,RING Index 5310-00-638-6574 WASHER,LOCK

National Stock Number:
5310-00-638-6573

Federal Supply Class:
5310

National Item Identification Number:
006386573

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:
AN936C51688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
OUTSIDE DIAMETER0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
MATERIAL THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM
MATERIALSTEEL OVERALL
STYLE DESIGNATORCOUNTERSINK EXTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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