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 5996-01-477-4143
NSN 5930-00-855-5470
NSN 5910-01-018-1442
NSN 5960-00-104-5955
NSN 5935-00-264-5652
NSN 5915-00-126-5062
NSN 5905-01-602-9405
NSN 4140-01-222-6539
NSN 6610-01-365-7796
NSN 6150-01-238-5371
NSN 5975-01-472-2194
NSN 6320-00-456-0836