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 6645-00-115-6657
NSN 7035-00-281-4082
NSN 6220-01-131-9997
NSN 6145-01-500-9192
NSN 2925-00-724-9252
NSN 5960-00-229-1969
NSN 6685-01-550-4035
NSN 5999-01-102-1048
NSN 4140-01-534-8125
NSN 5920-01-170-0127
NSN 6685-01-467-2435
NSN 5960-01-515-4791