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 5905-01-240-6403
NSN 6645-00-256-4072
NSN 6135-01-247-5660
NSN 6650-01-235-7555
NSN 5925-01-620-3271
NSN 5835-00-493-8115
NSN 6220-00-232-4436
NSN 5945-01-463-2218
NSN 6685-00-951-5971
NSN 6145-01-595-9139
NSN 5895-01-367-2079
NSN 6645-00-650-3405