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 5960-01-344-2604
NSN 5985-01-227-2646
NSN 6240-00-413-4577
NSN 6135-00-985-7846
NSN 5998-01-490-0609
NSN 5996-01-555-7690
NSN 5996-01-338-9739
NSN 5950-00-059-5531
NSN 6220-01-172-5300
NSN 5835-00-240-5044
NSN 5985-00-425-4430
NSN 2925-01-228-6554