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 5945-00-917-4999
NSN 6620-00-160-0844
NSN 6685-01-174-0873
NSN 5855-01-110-9564
NSN 5965-01-387-6938
NSN 4140-00-099-9205
NSN 5998-01-101-5118
NSN 6135-00-170-8819
NSN 5990-01-050-7535
NSN 5895-01-572-9896
NSN 6620-00-767-9415
NSN 5935-01-420-6452