Hexagon cross section, 0.375 in. Across flats
NSN 6135-01-438-4320
NSN 5925-01-304-3248
NSN 5915-01-557-7909
NSN 6685-00-198-0384
NSN 5965-00-468-3071
NSN 5930-01-379-5476
NSN 6130-01-200-8212
NSN 5945-01-257-6831
NSN 5960-00-289-6591
NSN 5999-00-185-0748
NSN 5910-01-600-0199
NSN 6220-00-593-1779
Last Updated: 06/29/2025