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 4140-01-530-0727
NSN 6650-01-444-0551
NSN 6685-01-011-4859
NSN 6145-01-480-3524
NSN 4140-01-123-9149
NSN 6320-01-215-1133
NSN 6145-01-390-1580
NSN 5905-00-289-9898
NSN 5990-01-582-3671
NSN 6620-01-166-1866
NSN 5895-00-081-3293
NSN 4140-00-230-4252