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 2925-00-596-9775
NSN 6650-00-143-1889
NSN 5935-00-067-6708
NSN 6150-00-241-5439
NSN 5930-01-389-2738
NSN 6685-01-388-0476
NSN 6220-00-536-8763
NSN 6220-00-361-0631
NSN 5965-00-240-5777
NSN 6130-00-155-8526
NSN 6620-00-019-8424
NSN 6110-00-932-5257