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 6620-01-322-0018
NSN 6150-00-100-1302
NSN 5920-01-313-9341
NSN 6645-01-365-8020
NSN 5925-00-891-4079
NSN 5915-01-453-4298
NSN 4140-01-145-5925
NSN 5965-00-281-0319
NSN 6685-00-925-7491
NSN 6320-00-360-1744
NSN 5910-01-613-8350
NSN 6110-01-230-9357