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 4140-00-707-2963
NSN 5920-01-599-2656
NSN 5990-01-059-0947
NSN 5965-01-217-7167
NSN 6320-00-857-4073
NSN 5910-01-644-0791
NSN 5985-01-415-1246
NSN 5835-01-504-0837
NSN 5945-01-565-7130
NSN 6620-01-416-1757
NSN 6645-01-535-7136
NSN 5935-01-230-4270