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 6645-00-368-8636
NSN 6145-00-938-6085
NSN 5925-00-223-9552
NSN 5905-01-287-4398
NSN 5930-01-041-6786
NSN 5965-00-393-1294
NSN 5965-01-477-6665
NSN 5915-01-630-9898
NSN 4140-01-440-8018
NSN 5915-01-129-9710
NSN 5998-00-215-8604
NSN 5960-00-556-9375