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 5910-00-927-9479
NSN 5985-01-199-5186
NSN 6110-01-104-9589
NSN 5990-01-332-6722
NSN 2925-01-400-2286
NSN 5905-01-099-6052
NSN 5920-00-179-4580
NSN 5950-00-557-8953
NSN 6320-01-582-6752
NSN 6645-00-547-4388
NSN 6645-01-483-0286
NSN 6105-01-025-5981