A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 5920-00-158-9960
NSN 6220-01-415-0926
NSN 5835-00-827-1904
NSN 5965-00-035-4556
NSN 6145-01-471-7901
NSN 6610-00-891-6370
NSN 2925-01-116-6838
NSN 5945-00-312-4265
NSN 5855-01-134-7106
NSN 6685-01-477-0781
NSN 5996-00-361-9901
NSN 4140-01-436-1878