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 4140-00-880-7804
NSN 5999-00-104-5582
NSN 6145-01-060-6545
NSN 5999-01-452-6989
NSN 6130-00-540-5305
NSN 5925-00-244-0711
NSN 5990-00-980-7808
NSN 5960-01-418-8402
NSN 5965-00-493-6008
NSN 5895-01-361-9003
NSN 6110-01-200-8237
NSN 6685-00-892-2280