Hexagon cross section, 0.375 in. Across flats
NSN 5945-01-265-8589
NSN 5930-00-272-1427
NSN 5915-01-384-3858
NSN 5999-01-478-9872
NSN 6320-01-072-2073
NSN 5895-00-900-5449
NSN 6150-01-472-3721
NSN 5910-00-460-4999
NSN 5975-00-149-7647
NSN 5998-01-406-4916
NSN 4140-01-603-7259
NSN 6150-01-223-4077
Last Updated: 06/30/2025