5310-01-235-2056 WASHER,FLAT Index 5310-01-235-2058 WASHER,SHOULDERED

National Stock Number:
5310-01-235-2057

Federal Supply Class:
5310

National Item Identification Number:
012352057

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:
MS51414-196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HARDNESS RATING89.0 ROCKWELL B MINIMUM AND 94.0 ROCKWELL B MAXIMUM
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
OUTSIDE DIAMETER0.305 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM
MATERIALSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1062 OR STEEL COMP 1064 OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 COMPOSITION
STYLE DESIGNATORFLAT EXTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL


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