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 5985-00-923-1369
NSN 5960-01-078-7692
NSN 6645-01-651-2743
NSN 7035-01-455-1998
NSN 6620-01-135-0992
NSN 5930-00-168-8110
NSN 6650-00-255-2633
NSN 6685-00-911-7065
NSN 6320-00-382-7825
NSN 6240-00-269-3346
NSN 5920-01-492-5788
NSN 6150-01-648-1681