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 6145-01-248-6284
NSN 5905-01-040-3726
NSN 6685-01-029-5133
NSN 6150-01-439-3557
NSN 5999-00-558-7305
NSN 6610-00-112-2698
NSN 5935-01-417-0956
NSN 6150-01-467-2380
NSN 5905-01-231-9626
NSN 4140-00-142-2491
NSN 6220-00-858-4831
NSN 6685-00-548-5460