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 5925-01-113-4223
NSN 5950-00-690-0497
NSN 5975-01-646-9451
NSN 6220-00-151-7539
NSN 5960-01-175-9880
NSN 7035-01-660-3940
NSN 5950-01-528-1380
NSN 6645-01-308-9349
NSN 5930-01-311-7870
NSN 5945-00-193-4891
NSN 5935-01-578-0300
NSN 6650-01-296-0883