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 5905-01-143-3222
NSN 6240-00-393-1161
NSN 5990-01-203-6089
NSN 6645-01-468-4990
NSN 6145-01-626-9145
NSN 6105-00-149-7956
NSN 5915-01-243-3583
NSN 5975-00-823-0979
NSN 6620-01-026-0346
NSN 5855-01-062-5655
NSN 6320-00-908-6841
NSN 6110-01-097-3501