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 6650-01-230-5155
NSN 5855-01-476-4219
NSN 5960-01-573-6483
NSN 6320-01-600-5808
NSN 5999-00-696-7090
NSN 6220-01-160-7247
NSN 6130-01-111-3137
NSN 6135-01-252-0315
NSN 6685-00-938-3984
NSN 6320-01-449-1014
NSN 5905-00-279-1735
NSN 6145-01-290-9351