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 5965-01-294-6152
NSN 6645-00-071-2200
NSN 6610-01-336-2787
NSN 6685-01-505-6571
NSN 4140-00-205-0853
NSN 5855-01-067-7747
NSN 2925-00-139-3231
NSN 5895-01-369-3650
NSN 6650-01-586-8783
NSN 7035-00-075-6776
NSN 5905-01-534-3272
NSN 6620-00-777-3481