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 5985-00-792-4721
NSN 5910-00-988-7311
NSN 5905-01-157-9933
NSN 5905-00-333-1032
NSN 6110-00-472-4770
NSN 5975-01-203-1407
NSN 2925-01-619-4825
NSN 5950-01-292-5994
NSN 6110-00-858-6770
NSN 5855-01-615-8016
NSN 4140-00-176-4761
NSN 6645-01-421-2445