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 5960-01-170-4057
NSN 7035-01-281-3642
NSN 5999-01-099-9782
NSN 5960-01-222-0074
NSN 5990-01-013-8464
NSN 6645-01-033-1171
NSN 5960-00-807-9187
NSN 5905-00-816-9679
NSN 6150-01-283-5614
NSN 5915-01-025-7171
NSN 5985-01-233-2868
NSN 5945-01-160-7420