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 6620-00-766-3974
NSN 6220-01-625-1688
NSN 6135-01-386-5709
NSN 5925-01-556-5949
NSN 6240-01-651-2850
NSN 5905-01-327-8746
NSN 5905-01-025-6709
NSN 6135-01-617-0253
NSN 5910-00-697-7809
NSN 5960-01-406-4136
NSN 6150-00-831-6940
NSN 6220-01-633-2754