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 5895-01-448-6980
NSN 6620-01-373-0174
NSN 6240-01-160-7934
NSN 6240-00-402-4481
NSN 6645-01-600-2080
NSN 5965-01-122-2750
NSN 6110-01-483-0256
NSN 5945-00-535-0729
NSN 6685-01-167-7364
NSN 5996-01-371-2958
NSN 5905-01-076-5665
NSN 5895-01-173-6109