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 6620-00-218-4959
NSN 6620-01-060-5430
NSN 2925-01-284-8641
NSN 5855-01-287-6391
NSN 6685-00-113-5440
NSN 5998-01-442-1965
NSN 5910-00-212-5969
NSN 5965-01-217-7167
NSN 6130-00-243-5284
NSN 5935-00-146-5817
NSN 5855-01-630-5790
NSN 5905-01-613-5247