6680-01-511-3136 INDICATOR,LIQUID QUANTITY Index 4320-01-511-3138 SEAL ASSEMBLY,SHAFT,SPRING LOADE

National Stock Number:
5310-01-511-3137

Federal Supply Class:
5310

National Item Identification Number:
015113137

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:
B18212IHRN10080204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
HOLE DIAMETER10.20 MILLIMETERS MINIMUM AND 10.60 MILLIMETERS MAXIMUM
OUTSIDE DIAMETER18.0 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM
MATERIAL THICKNESS1.10 MILLIMETERS MINIMUM AND 1.30 MILLIMETERS MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
SPECIAL FEATURESITEMCALLED AN INTERNAL TOOTH-HEAVY LOCK WASHER,SPECIFIC MATERIAL CALLOUT IS SAE 301-305 (UNS S30100-S30500)
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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