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
NSN 4140-01-384-7778
NSN 6240-01-059-3563
NSN 5935-00-724-4921
NSN 5985-00-932-4257
NSN 6135-00-519-1325
NSN 5935-01-168-9678
NSN 6150-01-391-6106
NSN 5985-01-519-4964
NSN 5975-01-534-3366
NSN 6650-01-210-2080
NSN 6130-00-440-0308
NSN 5835-01-104-7183