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 4140-00-113-0989
NSN 5945-01-224-7610
NSN 5999-01-328-5739
NSN 6240-01-102-1555
NSN 5895-00-817-7697
NSN 6645-00-363-9775
NSN 5925-00-706-9975
NSN 5965-00-007-7863
NSN 5895-01-119-8151
NSN 5905-01-634-0595
NSN 5935-01-261-7548
NSN 6145-01-490-3828