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 6135-01-189-5567
NSN 5965-01-523-5998
NSN 6110-00-562-3363
NSN 5910-01-265-5956
NSN 5985-01-407-5184
NSN 5975-01-307-8275
NSN 6135-01-067-8331
NSN 5975-01-313-2425
NSN 5930-00-578-3971
NSN 6145-01-079-8557
NSN 5950-00-737-0678
NSN 6620-00-190-8109