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 5925-01-585-8544
NSN 5905-01-658-7356
NSN 6145-01-572-7587
NSN 5915-01-531-8726
NSN 4140-01-020-1116
NSN 5975-01-244-4348
NSN 5945-01-191-7037
NSN 5950-01-609-2306
NSN 6645-01-277-0530
NSN 5835-00-744-1277
NSN 5935-01-447-3156
NSN 5925-01-279-1689