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 5895-00-919-9939
NSN 6650-00-008-3941
NSN 4140-00-482-2668
NSN 5985-01-157-5190
NSN 5999-01-334-4526
NSN 5855-01-018-1247
NSN 5925-01-459-7882
NSN 5960-01-013-9346
NSN 5965-00-757-3403
NSN 5985-01-531-9616
NSN 6645-01-371-1632
NSN 2925-00-221-8529