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 5990-01-555-6616
NSN 6150-01-056-1324
NSN 5985-01-324-5069
NSN 6650-01-481-8009
NSN 6135-01-549-3744
NSN 5915-01-409-1010
NSN 5960-01-599-9821
NSN 5910-01-296-9207
NSN 6110-01-596-7302
NSN 6320-01-166-3602
NSN 5999-00-369-7664
NSN 6220-01-088-3457