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 5930-01-232-9865
NSN 5905-00-174-1977
NSN 6220-01-056-6507
NSN 5945-00-737-3195
NSN 6610-01-275-0119
NSN 5945-01-245-8635
NSN 5920-01-458-1197
NSN 6135-01-586-1969
NSN 5935-01-068-4488
NSN 5950-01-608-3142
NSN 2925-01-161-2325
NSN 6110-00-862-0018