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 6130-01-481-9000
NSN 6610-00-737-0864
NSN 5965-00-408-5501
NSN 5990-00-057-6348
NSN 6685-01-470-6275
NSN 6150-00-814-5905
NSN 4140-00-881-9912
NSN 5998-01-403-2586
NSN 6105-00-651-4868
NSN 5990-00-765-1264
NSN 6135-01-338-2281
NSN 5855-00-156-5489