A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5920-01-266-1677
NSN 5855-00-921-6589
NSN 6620-01-633-8443
NSN 6145-01-088-7999
NSN 5960-00-723-2793
NSN 5915-01-540-9757
NSN 6110-01-418-0802
NSN 6610-01-079-6729
NSN 5905-00-276-8597
NSN 5930-01-153-2667
NSN 5915-01-613-9427
NSN 5950-01-411-0997