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 6220-01-485-8069
NSN 6240-01-555-8365
NSN 6220-01-359-3009
NSN 5945-01-307-9256
NSN 5975-01-476-7332
NSN 2925-00-605-8520
NSN 5965-00-362-2158
NSN 5905-00-102-2767
NSN 5990-01-480-9938
NSN 7035-00-541-8516
NSN 5998-01-464-4955
NSN 6320-01-029-2196