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 5965-01-645-5719
NSN 4140-01-499-8906
NSN 5996-01-391-2733
NSN 6320-01-624-0193
NSN 5998-01-193-4225
NSN 6145-01-101-9539
NSN 5985-01-129-3040
NSN 5920-01-431-9364
NSN 6135-00-166-5984
NSN 5996-01-575-4080
NSN 5930-01-322-7059
NSN 5998-01-229-6565