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 5975-00-711-8805
NSN 5985-01-102-6940
NSN 6135-00-676-5807
NSN 6645-01-648-4439
NSN 6110-00-214-9186
NSN 6610-01-326-0119
NSN 4140-01-255-3496
NSN 6110-00-840-6560
NSN 6130-01-425-1459
NSN 6610-01-463-8866
NSN 2925-01-146-0278
NSN 6685-00-225-5257