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 6610-01-172-4041
NSN 5895-01-641-6735
NSN 5905-01-138-6282
NSN 5950-00-615-9782
NSN 5960-00-933-2710
NSN 5945-01-123-1558
NSN 5920-01-345-3114
NSN 6650-01-418-8681
NSN 6610-01-144-8401
NSN 6650-00-565-9266
NSN 5990-01-548-3711
NSN 5950-00-136-1885