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 5925-00-320-7673
NSN 6620-01-542-8647
NSN 6320-00-731-6134
NSN 5930-01-155-4163
NSN 5960-01-103-3150
NSN 6110-01-450-8082
NSN 6145-00-241-1770
NSN 6620-01-265-2887
NSN 5965-00-735-9315
NSN 6135-01-469-7574
NSN 6220-01-409-1585
NSN 5895-00-176-5545