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 5910-01-508-4213
NSN 5925-01-218-5999
NSN 4140-01-090-6483
NSN 6610-00-466-3104
NSN 5930-00-868-4490
NSN 6105-01-536-2482
NSN 5999-01-598-4664
NSN 5905-01-469-2508
NSN 5999-00-062-7051
NSN 6110-00-324-8415
NSN 6645-01-297-2081
NSN 7035-00-834-2090