5310-01-571-3977 WASHER,LOCK Index 5310-01-571-4031 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-571-3999

Federal Supply Class:
5310

National Item Identification Number:
015713999

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:
AEW08X25R000GM7LA105047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS


Techincal Specification:
HOLE DIAMETER0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OUTSIDE DIAMETER0.489 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYHEAVY HELICAL SPRING LOCK WASHER
MATERIAL THICKNESS0.077 INCHES NOMINAL
MATERIALSTEEL OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232, TYPE M. CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL


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