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 5999-01-584-9418
NSN 5835-00-876-4544
NSN 6320-00-270-8222
NSN 6620-01-506-1003
NSN 5925-00-422-5151
NSN 5999-01-466-6149
NSN 6620-01-440-9810
NSN 5925-00-918-3023
NSN 6130-01-590-0487
NSN 6130-01-245-0591
NSN 5855-01-149-4110
NSN 6685-01-396-4080