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 6645-01-542-6159
NSN 6320-00-521-9350
NSN 5895-01-574-5382
NSN 5855-00-494-9581
NSN 6645-01-447-6777
NSN 5960-01-502-6270
NSN 6145-01-277-8917
NSN 5950-01-236-4400
NSN 5965-01-488-4009
NSN 6620-01-514-7786
NSN 6650-01-555-4370
NSN 5998-00-170-6756