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 5910-01-442-5697
NSN 6320-01-521-1764
NSN 6135-01-408-0313
NSN 6645-01-633-1852
NSN 5945-01-384-4388
NSN 6150-01-153-1335
NSN 5999-01-322-8380
NSN 6685-01-213-6245
NSN 6145-01-488-5671
NSN 5950-01-571-8560
NSN 5945-00-203-5575
NSN 2925-01-180-7793