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 5915-00-064-2229
NSN 2925-01-157-9204
NSN 5950-01-108-8012
NSN 6645-00-787-0651
NSN 5935-00-197-9463
NSN 6650-01-422-7106
NSN 5990-01-218-5160
NSN 5945-01-386-5505
NSN 6685-00-914-5942
NSN 5925-01-446-6849
NSN 6220-01-068-9941
NSN 5835-01-424-0054