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 4140-00-100-4563
NSN 5950-00-073-7025
NSN 6320-01-364-1732
NSN 6220-01-381-1793
NSN 5910-01-504-2305
NSN 5905-01-485-2326
NSN 5895-01-259-5643
NSN 6620-01-559-1921
NSN 2925-00-513-6644
NSN 6220-01-496-4301
NSN 5910-00-952-2489
NSN 6220-01-064-8535