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 6130-00-153-9468
NSN 6240-00-215-8550
NSN 5990-00-702-2873
NSN 6650-01-013-9334
NSN 5905-01-564-4142
NSN 6320-00-098-2858
NSN 5905-01-088-8305
NSN 5895-01-535-0309
NSN 6610-01-481-9575
NSN 6320-00-646-3311
NSN 5965-00-175-8972
NSN 5975-01-475-0889