A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6130-00-915-6313
NSN 6145-00-313-9429
NSN 6130-01-539-2986
NSN 6685-00-758-5868
NSN 5960-00-090-2991
NSN 4140-01-184-3488
NSN 6620-00-273-8735
NSN 5960-00-545-5957
NSN 6130-01-421-2705
NSN 5965-01-326-9860
NSN 5905-01-541-4389
NSN 5975-01-499-1704