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 5895-01-035-3184
NSN 5985-01-536-9866
NSN 6220-01-359-9969
NSN 6645-01-533-3786
NSN 6220-01-384-4609
NSN 4140-00-229-8553
NSN 6320-00-681-1324
NSN 6150-00-420-2407
NSN 6110-00-241-0059
NSN 6130-01-658-7539
NSN 6240-01-562-9727
NSN 5990-01-486-2556