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 5975-01-231-9669
NSN 6685-00-276-1308
NSN 5905-01-303-6883
NSN 2925-01-035-1096
NSN 4140-00-226-9807
NSN 6110-01-140-5780
NSN 6105-01-169-3968
NSN 5910-01-512-5249
NSN 6610-00-355-0450
NSN 7035-01-320-2536
NSN 5910-01-015-5711
NSN 6610-01-445-1036