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 6145-01-410-7153
NSN 2925-01-222-7764
NSN 7035-00-360-2008
NSN 4140-01-363-4666
NSN 6130-01-242-6195
NSN 5855-01-499-6147
NSN 6135-01-067-8331
NSN 6220-01-088-6604
NSN 5950-00-596-8102
NSN 2925-01-284-8641
NSN 6620-01-658-1849
NSN 6610-00-989-8912