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 2925-00-118-4887
NSN 4140-01-475-8930
NSN 5965-00-630-7872
NSN 6650-00-111-3399
NSN 6685-01-345-7442
NSN 6650-01-502-8629
NSN 6685-01-591-4647
NSN 5945-01-538-3282
NSN 5855-00-973-5717
NSN 5996-01-120-0792
NSN 5965-00-083-8157
NSN 6320-00-456-0836