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 4140-00-067-9405
NSN 7035-00-529-3128
NSN 5990-01-565-2226
NSN 4140-00-732-5444
NSN 5998-01-634-0604
NSN 6135-01-495-0933
NSN 5855-00-138-2386
NSN 6240-01-032-9952
NSN 6645-01-281-7254
NSN 4140-01-345-7808
NSN 6685-00-851-4577
NSN 5965-01-442-0490