5310-01-052-5840 WASHER,FLAT Index 5310-01-052-5842 WASHER,RECESSED

National Stock Number:
5310-01-052-5841

Federal Supply Class:
5310

National Item Identification Number:
010525841

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:
61217-322915NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV


Techincal Specification:
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM53.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM0.151 INCHES MAXIMUM
OUTSIDE DIAMETER0.253 INCHES MAXIMUM0.253 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.031 INCHES MINIMUM AND 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM0.037 INCHES MAXIMUM
MATERIALSTEEL COMP 302 OR STEEL COMP 420 OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL


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