Lock washer
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 6650-01-315-4043
NSN 5999-00-203-1202
NSN 6150-01-592-8733
NSN 6135-01-348-8264
NSN 5925-01-323-7756
NSN 7035-00-064-7008
NSN 5935-01-240-7095
NSN 6105-01-036-8587
NSN 5935-00-721-4155
NSN 5930-00-374-1570
NSN 5895-00-456-0830
NSN 5960-01-218-2858