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 5990-01-129-7701
NSN 5920-01-378-7269
NSN 5935-01-564-4436
NSN 5950-01-619-0543
NSN 5975-01-120-1088
NSN 5855-00-560-0110
NSN 6650-01-394-6124
NSN 5945-01-009-6250
NSN 5925-00-808-5994
NSN 5975-00-946-1390
NSN 6685-01-556-4246
NSN 6110-01-598-9953