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 6240-01-047-9930
NSN 4140-01-634-0330
NSN 6620-01-449-2730
NSN 6220-01-154-7699
NSN 5910-00-422-0782
NSN 5975-01-241-2432
NSN 6620-00-905-6590
NSN 6150-01-095-5497
NSN 5975-00-827-0932
NSN 6110-01-584-6962
NSN 2925-01-157-9204
NSN 5925-01-322-3979