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 2925-00-225-5386
NSN 4140-00-608-5654
NSN 5945-01-599-5612
NSN 5990-00-610-2826
NSN 6320-01-544-6447
NSN 5996-00-007-9845
NSN 5990-01-462-1617
NSN 6610-00-841-8221
NSN 6220-01-568-0844
NSN 6620-01-442-8444
NSN 5905-01-017-3195
NSN 5985-01-025-1491