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 5996-00-690-0705
NSN 5965-01-630-0409
NSN 5975-00-571-4143
NSN 5855-00-237-4088
NSN 5935-01-274-1639
NSN 6685-00-869-6953
NSN 6135-01-100-3593
NSN 5920-01-023-0040
NSN 5910-00-410-3495
NSN 2925-01-562-1663
NSN 6135-00-789-2865
NSN 6620-00-068-2503