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 5999-01-229-1779
NSN 6645-00-269-2764
NSN 5990-01-467-7575
NSN 6650-01-433-3056
NSN 6220-00-890-5909
NSN 5965-00-961-1627
NSN 4140-00-900-6102
NSN 6220-01-629-7879
NSN 5925-00-884-3426
NSN 6105-00-656-4606
NSN 5960-01-472-9562
NSN 5960-01-494-7960