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 5910-01-221-5505
NSN 5835-01-225-0372
NSN 2925-01-647-7225
NSN 6135-00-998-5884
NSN 5855-01-565-5030
NSN 5920-01-569-3190
NSN 2925-01-248-6028
NSN 5950-00-646-0926
NSN 6240-01-386-1354
NSN 5950-01-025-9376
NSN 6320-01-462-2295
NSN 5965-00-950-0602