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 6130-01-631-2227
NSN 6320-01-137-4714
NSN 5930-00-735-0763
NSN 6130-01-646-1766
NSN 2925-00-056-7112
NSN 5960-00-841-5884
NSN 6620-00-803-2423
NSN 5930-01-209-9699
NSN 6130-01-323-3096
NSN 6135-01-036-3495
NSN 6685-00-133-2288
NSN 5985-00-675-5849