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 6220-01-479-6417
NSN 5990-01-063-9459
NSN 5930-01-585-7531
NSN 5999-01-519-4169
NSN 5960-00-791-1144
NSN 6135-00-347-0595
NSN 6320-00-925-0558
NSN 5855-00-106-1640
NSN 5999-01-305-7294
NSN 5960-01-315-0676
NSN 6320-00-242-3300
NSN 5945-01-445-6081