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 5905-00-789-0621
NSN 5920-01-571-8460
NSN 5915-00-827-7039
NSN 5960-00-912-9285
NSN 5915-01-453-6152
NSN 5965-01-114-9086
NSN 6145-01-113-5282
NSN 6220-01-361-8946
NSN 6610-01-652-6794
NSN 6620-01-118-2337
NSN 5960-00-274-4905
NSN 2925-01-029-0467