5310-00-081-4492 WASHER,LOCK Index 5210-00-081-4496 HEAD,MICROMETER

National Stock Number:
5310-00-081-4493

Federal Supply Class:
5310

National Item Identification Number:
000814493

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:
FFW8481348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY OUTSIDE DIAMETER
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM
OUTSIDE DIAMETER0.979 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.188 INCHES MINIMUM
MATERIALNICKEL ALLOY A OVERALL
MINIMUM TENSILE STRENGTH155000 POUNDS PER SQUARE INCH
NONDEFINITIVE SPEC/STD DATAG CLASS AND 2 STYLE
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND


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