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 5910-01-533-1457
NSN 5910-01-323-7086
NSN 5930-01-364-9378
NSN 5905-00-801-8290
NSN 5895-01-281-6058
NSN 5965-01-168-8180
NSN 6610-01-290-2627
NSN 5990-00-459-5752
NSN 6110-00-736-9946
NSN 5855-01-498-1276
NSN 5895-01-545-3260
NSN 6320-01-335-8336