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 5930-01-013-9731
NSN 2925-00-789-1106
NSN 5945-01-592-2115
NSN 5999-00-139-1729
NSN 6135-00-078-9931
NSN 5998-01-476-9571
NSN 6685-01-196-8334
NSN 6130-00-760-3491
NSN 6610-01-304-3226
NSN 5915-01-235-1848
NSN 5985-01-574-0012
NSN 5920-01-421-5362