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 5945-01-304-6778
NSN 5965-01-423-4197
NSN 6130-01-299-1185
NSN 5930-01-585-7531
NSN 5998-00-550-1870
NSN 6620-01-481-1358
NSN 5930-00-539-7149
NSN 5965-01-168-8180
NSN 6135-01-177-3552
NSN 6135-00-885-6003
NSN 5915-00-193-6850
NSN 2925-01-295-9337