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 6685-01-254-9497
NSN 5990-01-065-0492
NSN 5950-01-338-6752
NSN 6145-01-064-7882
NSN 5835-00-269-2232
NSN 6135-01-177-3552
NSN 5920-00-555-1877
NSN 2925-00-215-4954
NSN 6240-01-587-0923
NSN 5910-01-310-8533
NSN 5915-01-133-9853
NSN 5985-01-141-6504