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 5960-00-774-8227
NSN 6110-01-627-5329
NSN 6110-00-733-2699
NSN 6145-01-095-4139
NSN 4140-00-507-2602
NSN 2925-01-579-1010
NSN 5990-00-659-8067
NSN 6685-01-032-3384
NSN 6240-01-233-9544
NSN 5835-01-424-0054
NSN 6620-00-273-8735
NSN 6145-01-248-6284