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 5965-01-564-8876
NSN 5999-01-076-5352
NSN 5985-01-536-9552
NSN 6110-00-284-1161
NSN 6105-01-614-5342
NSN 6135-01-324-7718
NSN 5905-01-132-8491
NSN 5990-01-088-5293
NSN 5835-01-442-6482
NSN 6220-00-276-8681
NSN 6135-01-365-2707
NSN 6110-01-366-5715