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 5930-01-630-2117
NSN 6135-00-128-1633
NSN 5905-00-693-8228
NSN 4140-01-029-4211
NSN 6645-00-589-0143
NSN 2925-00-183-4390
NSN 5975-01-561-8316
NSN 6220-01-230-0872
NSN 6135-00-461-3590
NSN 5910-01-099-1525
NSN 5910-01-133-3651
NSN 6620-00-189-0967