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 5990-00-698-3963
NSN 5975-01-166-3324
NSN 6220-01-204-1092
NSN 5910-01-351-4667
NSN 5965-01-395-7527
NSN 6240-00-061-3362
NSN 5990-00-952-7100
NSN 6220-01-178-0171
NSN 5950-00-868-3302
NSN 5910-00-122-5460
NSN 6320-01-125-3361
NSN 6645-01-510-3496