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 5960-00-104-5955
NSN 6110-01-191-8781
NSN 6650-01-487-7411
NSN 5930-01-353-4142
NSN 5990-01-251-7313
NSN 5910-01-574-0303
NSN 5930-00-808-4535
NSN 5999-00-052-6542
NSN 5925-01-033-3853
NSN 6130-01-407-0148
NSN 6240-00-120-0140
NSN 6150-01-102-3816