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 5985-01-240-5388
NSN 6645-01-147-5579
NSN 6105-01-401-5361
NSN 5905-01-387-3939
NSN 5999-00-431-3930
NSN 5975-00-233-5964
NSN 5998-01-078-4647
NSN 2925-01-622-7852
NSN 2925-01-298-2674
NSN 5930-01-422-1195
NSN 5999-01-483-5435
NSN 5855-00-149-0766