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 5920-00-499-8285
NSN 5950-01-468-2664
NSN 4140-01-378-6710
NSN 6130-01-639-8149
NSN 5985-01-037-0923
NSN 7035-01-462-5573
NSN 7035-00-887-4674
NSN 6105-01-032-2856
NSN 5975-00-574-0855
NSN 6620-01-332-4625
NSN 5996-00-484-9196
NSN 5990-00-546-8619