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 6150-01-187-4659
NSN 6645-01-565-6973
NSN 5935-00-811-1517
NSN 6220-00-119-1507
NSN 6620-01-195-0190
NSN 5945-00-296-8464
NSN 4140-00-653-5245
NSN 5835-01-552-3153
NSN 6145-01-658-9099
NSN 5975-00-248-5590
NSN 5960-00-201-5265
NSN 5950-01-607-0981