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 5855-01-258-6180
NSN 6610-00-312-5148
NSN 4140-01-142-2971
NSN 6220-00-255-5652
NSN 5855-01-020-7982
NSN 6105-01-555-4426
NSN 6645-00-764-3355
NSN 5990-00-003-4464
NSN 5920-00-944-8772
NSN 5996-01-226-6604
NSN 5855-01-213-3267
NSN 5965-01-188-8530