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 5985-01-234-5013
NSN 6650-00-475-7746
NSN 5915-01-113-7872
NSN 6240-01-186-6448
NSN 6110-00-123-1661
NSN 5999-01-026-2331
NSN 6150-00-925-7424
NSN 6130-00-205-1714
NSN 6650-00-245-8442
NSN 5990-00-201-1162
NSN 6320-00-242-3300
NSN 6620-00-774-3638