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 5915-01-560-1012
NSN 7035-01-480-5537
NSN 6150-00-437-8196
NSN 5855-01-570-8816
NSN 6645-00-810-7229
NSN 6135-00-097-8162
NSN 6685-01-130-8827
NSN 5985-01-378-6823
NSN 6150-00-949-1984
NSN 5985-00-107-5407
NSN 6650-00-146-6485
NSN 6650-01-065-1704