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 6240-00-555-6347
NSN 6645-00-204-4100
NSN 5950-01-058-5028
NSN 5985-00-816-8486
NSN 5910-01-366-3531
NSN 5895-01-248-3925
NSN 5895-01-516-4078
NSN 5905-00-099-9995
NSN 5920-00-169-4428
NSN 5910-00-627-4099
NSN 5855-01-417-1315
NSN 5999-01-420-8484