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 4140-00-904-5841
NSN 5950-00-400-6074
NSN 5855-01-421-1440
NSN 6610-01-088-5871
NSN 6130-01-374-3192
NSN 5855-01-180-2172
NSN 5855-01-165-6361
NSN 6130-00-528-7838
NSN 6150-01-169-5229
NSN 6610-01-395-0568
NSN 5945-01-348-5969
NSN 6320-00-025-9910