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 4140-01-273-1829
NSN 5945-01-327-3629
NSN 5960-00-584-4553
NSN 6135-00-351-8606
NSN 6130-01-563-3358
NSN 5945-00-952-5801
NSN 5925-00-920-3103
NSN 5965-01-312-1630
NSN 5950-01-123-7903
NSN 6650-01-181-6037
NSN 6650-01-592-8910
NSN 5996-01-231-4361