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 5998-01-530-7980
NSN 5999-00-269-5320
NSN 6610-00-788-0134
NSN 6110-01-392-1936
NSN 5930-00-803-7238
NSN 5945-01-198-6335
NSN 6145-01-265-8324
NSN 5925-00-427-9930
NSN 5960-00-766-6042
NSN 5835-01-581-1957
NSN 5855-00-087-3144
NSN 5950-01-215-0703