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 5960-01-394-9274
NSN 5835-01-124-6288
NSN 5950-00-498-3507
NSN 4140-01-479-8654
NSN 5835-01-202-9673
NSN 4140-00-451-3017
NSN 5905-00-883-0447
NSN 5925-01-384-2670
NSN 6685-01-491-7943
NSN 5960-01-504-3415
NSN 5990-01-147-8097
NSN 5910-00-707-4900