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 6150-01-012-3107
NSN 5855-01-272-3660
NSN 5950-01-352-0696
NSN 6150-00-988-5390
NSN 5975-01-433-2527
NSN 5990-01-021-7303
NSN 5920-00-189-0858
NSN 6130-01-082-2576
NSN 5950-01-416-2971
NSN 6150-01-534-3668
NSN 6135-00-191-6444
NSN 5965-01-122-7477