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 6150-00-647-3285
NSN 6685-00-627-6102
NSN 6620-01-126-7871
NSN 5985-01-069-9572
NSN 5945-01-388-2953
NSN 5855-01-357-7907
NSN 6320-01-521-0377
NSN 5960-00-584-4553
NSN 6130-01-542-6668
NSN 5960-01-214-4518
NSN 6650-01-068-2010
NSN 5910-01-117-5619