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 5905-00-647-4554
NSN 6145-01-173-1201
NSN 5835-01-282-9768
NSN 6685-00-881-0795
NSN 5905-01-032-3271
NSN 6610-00-950-7105
NSN 6150-00-058-1333
NSN 5950-00-586-5736
NSN 6645-01-625-4810
NSN 5920-00-094-0655
NSN 5855-01-100-3272
NSN 6610-00-244-2816