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 6150-01-490-4279
NSN 5895-00-379-4699
NSN 6145-01-429-6813
NSN 5950-01-568-4004
NSN 5905-01-187-0060
NSN 6240-01-281-8746
NSN 5965-01-582-4062
NSN 6130-00-756-3389
NSN 6685-01-627-1836
NSN 5925-01-605-1810
NSN 4140-00-816-8820
NSN 6240-01-039-0388