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 5920-00-240-4129
NSN 6220-00-111-3188
NSN 5975-00-265-1747
NSN 6145-01-564-9204
NSN 5835-00-113-6090
NSN 5895-01-386-9699
NSN 5935-01-391-3475
NSN 5999-01-192-7765
NSN 6150-01-502-6017
NSN 5945-00-276-3189
NSN 6610-01-185-5832
NSN 4140-01-243-1281