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 6150-01-464-8691
NSN 6320-00-521-9350
NSN 6645-01-633-1852
NSN 5950-00-339-4279
NSN 6645-01-025-1002
NSN 5999-01-455-6246
NSN 5920-01-303-6841
NSN 6620-00-761-8948
NSN 5999-01-482-1307
NSN 5945-01-448-3002
NSN 6645-00-605-8487
NSN 5895-00-203-2379