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 6220-00-810-9563
NSN 6220-00-171-8638
NSN 6620-01-408-4464
NSN 5930-01-172-3355
NSN 5999-01-003-5206
NSN 5945-00-901-3856
NSN 6685-01-202-2984
NSN 5965-01-163-8958
NSN 4140-01-589-7588
NSN 7035-01-270-9918
NSN 6105-00-813-7350
NSN 6610-01-577-3298