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 6645-01-544-0408
NSN 6105-01-428-7811
NSN 5950-00-189-0551
NSN 5990-00-067-6791
NSN 5895-00-596-8678
NSN 5925-01-354-4064
NSN 6650-01-047-3911
NSN 6650-00-542-9042
NSN 5950-01-272-9689
NSN 6150-01-542-8724
NSN 5905-01-391-6730
NSN 5960-01-584-9452