5310-00-878-3579 WASHER,RECESSED Index 5310-00-878-3581 WASHER,FLAT

National Stock Number:
5365-00-878-3580

Federal Supply Class:
5365

National Item Identification Number:
008783580

Description:
RING,LOCK,SERRATED

Detail:
A LOCKING DEVICE WHICH IS SERRATED ON THE INSIDE AND OUTSIDE DIAMETERS. IT MAY HAVE OUTER SERRATIONS OMITTED ON ONE OR TWO SIDES FOR CLOSE EDGE INSTALLATION. THE INNER SERRATIONS ENGAGE THE MATING SERRATIONS OF BOLTS, INSERTS, NUTS, STUDS OR SIMILAR ITEMS TO BE LOCKED IN PLACE. THE OUTER SERRATIONS BROACH THEIR WAY INTO PARENT MATERIAL WHEN DRIVEN OR PRESSED INTO PLACE.


Manufacturer Information:
1161300819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
INNER SERRATION QUANTITY50
INSIDE DIAMETER1.577 INCHES NOMINAL
MATERIALSTEEL COMP 1117
OUTER SERRATION QUANTITY40
OVERALL HEIGHT0.193 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER1.987 INCHES NOMINAL
PILOT DIAMETER1.885 INCHES NOMINAL
SURFACE TREATMENTCADMIUM AND CHROMATE


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