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 5910-00-383-9557
NSN 6645-01-289-2950
NSN 5960-00-542-7796
NSN 6610-01-084-4488
NSN 6240-00-889-8442
NSN 5950-00-898-4276
NSN 5895-01-347-4908
NSN 6220-00-269-3783
NSN 5835-00-498-8189
NSN 5915-01-646-6233
NSN 5905-00-594-8102
NSN 5996-00-466-3099