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 5975-01-158-4048
NSN 5960-01-205-0386
NSN 6110-00-596-9124
NSN 5915-01-011-8957
NSN 5905-01-399-0074
NSN 6685-00-032-0330
NSN 6135-00-209-6918
NSN 5915-01-050-0531
NSN 5990-01-246-7417
NSN 4140-01-124-8904
NSN 6240-01-284-6482
NSN 5945-01-111-6896