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 5965-01-565-6976
NSN 5920-01-308-9999
NSN 6645-00-155-2398
NSN 6220-01-492-7046
NSN 6220-00-726-7971
NSN 5960-00-284-8929
NSN 7035-01-265-0216
NSN 5905-01-571-8206
NSN 6135-00-947-0406
NSN 6610-01-273-9317
NSN 6145-00-174-6962
NSN 6130-00-244-1406