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 6645-01-051-7447
NSN 5965-01-121-6135
NSN 6150-01-624-6452
NSN 5985-01-186-8404
NSN 5960-01-171-6161
NSN 6145-01-010-4438
NSN 6320-00-456-2092
NSN 5925-01-439-6213
NSN 6105-01-539-5332
NSN 7035-01-483-1776
NSN 6610-00-641-3015
NSN 6110-00-091-0436