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 5895-00-248-2392
NSN 6620-00-286-5721
NSN 4140-00-851-2552
NSN 5990-01-423-8189
NSN 5990-00-539-7859
NSN 6135-01-631-3257
NSN 5855-00-252-5743
NSN 5915-01-484-9097
NSN 5910-00-242-7654
NSN 6685-01-159-0066
NSN 6130-01-153-2265
NSN 6145-01-094-6822