5310-01-249-7639 WASHER,FLAT Index 5310-01-249-7641 WASHER,LOCK

National Stock Number:
5310-01-249-7640

Federal Supply Class:
5310

National Item Identification Number:
012497640

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:
00679700834164678DAIMLER TRUCK NORTH AMERICA LLC
DIN6797-A8.4-FSTD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
HOLE DIAMETER8.4 MILLIMETERS NOMINAL
MATERIAL THICKNESS0.4 MILLIMETERS NOMINAL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER15.0 MILLIMETERS NOMINAL
STYLE DESIGNATORCOUNTERSINK EXTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDBL8451-12,CAGEC 64678 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL AND CHROMATE OVERALL
COLORBLACK OVERALL
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
HARDNESS RATING410.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 490.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
HEAT TREATMENTHARDENED


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