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 6130-01-423-0270
NSN 6130-00-890-8471
NSN 6110-01-470-9315
NSN 6220-01-243-5748
NSN 6620-01-165-8958
NSN 6645-01-481-9834
NSN 6145-00-231-3144
NSN 6105-01-132-4159
NSN 5998-01-580-1657
NSN 6650-01-318-6552
NSN 5950-01-195-1338
NSN 6685-01-416-1140