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 4140-00-443-6556
NSN 5990-01-267-3590
NSN 5835-00-136-2322
NSN 6135-01-548-1423
NSN 6320-01-240-4637
NSN 6105-00-728-8612
NSN 5905-01-524-2408
NSN 5960-01-200-4621
NSN 5835-00-128-1967
NSN 6645-01-541-5696
NSN 4140-01-213-1941
NSN 6685-00-418-2973