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 6130-01-549-8031
NSN 6135-01-397-2170
NSN 6645-01-160-7707
NSN 5905-01-050-3007
NSN 6145-00-705-6686
NSN 5960-00-254-4271
NSN 6110-01-528-1489
NSN 6220-01-465-2469
NSN 6105-01-624-6917
NSN 6645-01-447-6777
NSN 5990-01-190-7328
NSN 5920-00-915-3571