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 6320-00-731-6134
NSN 6610-00-489-9730
NSN 5996-00-308-6512
NSN 6110-00-170-6520
NSN 6150-00-269-5017
NSN 5960-01-426-4242
NSN 5920-00-778-3882
NSN 5920-01-029-8496
NSN 5990-01-606-9305
NSN 5999-01-408-9906
NSN 6240-00-916-2807
NSN 6645-01-389-8312