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 5905-01-560-8472
NSN 5950-01-420-3421
NSN 5950-01-279-0197
NSN 2925-01-411-8002
NSN 6105-01-094-9282
NSN 5925-00-088-1525
NSN 6150-00-068-3496
NSN 6135-00-062-5080
NSN 6145-00-139-7570
NSN 6620-00-479-9425
NSN 5895-01-493-5724
NSN 5905-01-411-5734