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 6145-00-397-3069
NSN 7035-00-020-2227
NSN 6685-01-437-4904
NSN 5950-00-407-6548
NSN 5990-01-013-8464
NSN 6135-01-374-6631
NSN 5905-01-282-2025
NSN 6320-01-054-3046
NSN 6240-01-250-3574
NSN 5960-00-071-7553
NSN 6685-01-458-1434
NSN 5965-00-549-0220