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 5998-00-288-5190
NSN 5999-01-223-8567
NSN 5975-00-056-8600
NSN 5985-01-499-9733
NSN 5950-01-088-7056
NSN 6645-01-481-4418
NSN 4140-01-088-7512
NSN 5950-01-608-6415
NSN 6685-01-075-5011
NSN 4140-01-258-6685
NSN 2925-01-113-6904
NSN 5930-01-201-2661