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 5925-01-659-2156
NSN 6135-00-221-4720
NSN 5999-01-086-5529
NSN 5975-00-651-3919
NSN 5998-01-424-0809
NSN 6645-00-432-3420
NSN 6130-01-615-7254
NSN 5920-01-435-5091
NSN 5920-01-556-6192
NSN 6610-01-564-7464
NSN 5950-01-366-2623
NSN 5905-00-909-1778