3/8 inch
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 6110-00-268-2919
NSN 6685-01-514-7161
NSN 5910-00-559-0628
NSN 5960-01-443-3067
NSN 5935-01-519-7905
NSN 6240-01-642-8377
NSN 5985-01-392-4850
NSN 6685-00-475-2710
NSN 5895-00-067-4968
NSN 6645-01-418-1657
NSN 6610-00-068-7143
NSN 6320-00-823-2015