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 6135-01-159-9705
NSN 6685-00-538-8656
NSN 6220-01-454-8317
NSN 6645-01-514-3353
NSN 6650-01-312-9027
NSN 5975-01-368-7518
NSN 4140-00-926-4242
NSN 5920-01-526-9749
NSN 6220-01-473-6399
NSN 6220-00-602-3534
NSN 5975-00-009-8718
NSN 5960-01-172-2088