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 5855-01-236-9645
NSN 2925-01-440-9912
NSN 5999-00-265-8655
NSN 5910-01-597-3469
NSN 6240-01-277-3762
NSN 5905-00-838-3711
NSN 5999-01-613-9442
NSN 2925-00-215-3139
NSN 5965-00-185-9687
NSN 5975-00-281-5587
NSN 5920-01-004-4107
NSN 6145-00-834-6378