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 5935-01-397-8573
NSN 6220-01-185-5545
NSN 5905-01-119-2729
NSN 4140-01-432-7172
NSN 5990-01-242-9653
NSN 6620-01-609-6259
NSN 6685-00-170-9237
NSN 5999-00-968-7180
NSN 5960-01-037-6570
NSN 5905-01-596-9768
NSN 5835-00-233-6327
NSN 5985-01-502-4639