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 6110-01-331-4017
NSN 5915-01-535-8516
NSN 4140-00-144-0226
NSN 6220-00-279-1508
NSN 5925-01-080-9984
NSN 5920-01-276-9071
NSN 5990-01-196-2953
NSN 6240-01-533-8688
NSN 6320-00-676-9387
NSN 6240-01-648-6370
NSN 5910-00-208-4889
NSN 6150-01-316-2151