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 6685-01-634-0611
NSN 5999-01-294-7527
NSN 6105-00-841-3341
NSN 6320-01-173-7950
NSN 5965-01-590-9610
NSN 6220-01-244-7062
NSN 5990-00-428-1895
NSN 6105-00-928-5970
NSN 2925-01-659-8436
NSN 5985-00-387-2779
NSN 5998-01-474-1402
NSN 6135-01-620-1306