5310-00-209-1518 WASHER,KEY Index 5310-00-209-1522 WASHER,LOCK

National Stock Number:
5310-00-209-1521

Federal Supply Class:
5310

National Item Identification Number:
002091521

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:
643174323STRONGHOLD SCREW PRODUCTS
MS35337-4996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.573 INCHES MINIMUM AND 0.595 INCHES MAXIMUM
OUTSIDE DIAMETER0.975 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.113 INCHES MINIMUM AND 0.123 INCHES MAXIMUM
MATERIALSTEEL OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL


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