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 4140-01-604-8073
NSN 5945-01-114-5055
NSN 5975-01-439-8698
NSN 5920-00-057-5934
NSN 5998-00-540-9571
NSN 5930-01-468-0148
NSN 6685-01-560-0777
NSN 6220-00-253-7675
NSN 6110-00-845-4871
NSN 5910-00-099-9998
NSN 6130-01-088-8762
NSN 6320-01-578-6006