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 6650-01-388-4363
NSN 5930-01-486-4755
NSN 2925-01-384-4139
NSN 5925-01-631-3147
NSN 6645-01-582-2601
NSN 5975-01-339-0101
NSN 5990-00-484-3189
NSN 5950-00-483-0215
NSN 5998-01-027-2281
NSN 7035-00-402-9426
NSN 5925-01-534-8060
NSN 7035-00-411-8850