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 5925-00-906-3157
NSN 5915-01-465-4922
NSN 5935-01-191-8270
NSN 5895-00-788-1845
NSN 5965-01-168-8180
NSN 5996-01-531-6491
NSN 6135-01-010-0891
NSN 6145-00-903-3491
NSN 6150-01-582-4169
NSN 5998-01-435-5835
NSN 5855-00-908-9314
NSN 6610-01-506-7887