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 6110-01-175-0953
NSN 4140-01-225-2221
NSN 6105-00-144-1754
NSN 6145-01-310-6889
NSN 5905-00-116-0529
NSN 6320-01-492-1976
NSN 5855-00-896-4047
NSN 5895-01-061-6102
NSN 7035-01-556-7412
NSN 5895-01-312-8588
NSN 6320-01-513-9166
NSN 5999-00-161-3421