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 5996-00-172-7553
NSN 5990-01-091-3567
NSN 6645-01-477-9292
NSN 6620-00-714-6966
NSN 4140-00-340-1592
NSN 7035-01-630-3552
NSN 6105-00-886-9840
NSN 5950-01-378-1439
NSN 5855-00-281-3843
NSN 5920-01-601-4868
NSN 6620-01-266-1663
NSN 7035-00-631-3782