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 5975-01-068-3705
NSN 5985-01-651-1326
NSN 5985-01-088-7337
NSN 6220-00-553-8938
NSN 6320-01-285-1922
NSN 5999-00-035-8782
NSN 6620-01-287-9975
NSN 6150-01-321-7334
NSN 6240-00-447-0244
NSN 6650-00-413-6619
NSN 6685-00-826-8347
NSN 6620-01-406-6840