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 5935-01-355-2502
NSN 4140-01-172-9114
NSN 5975-01-190-2778
NSN 6105-01-624-5068
NSN 6145-00-922-6335
NSN 6685-01-472-8067
NSN 6150-01-205-8083
NSN 5945-00-907-1351
NSN 6130-00-119-9170
NSN 5990-01-069-8649
NSN 6645-01-466-2083
NSN 6145-00-694-5319