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 6150-01-316-0352
NSN 6150-00-013-5613
NSN 6685-01-168-9829
NSN 6130-00-291-4877
NSN 5920-00-835-0615
NSN 6220-01-423-8319
NSN 5930-00-166-3987
NSN 5998-01-121-4240
NSN 6135-01-391-6515
NSN 5910-01-536-1140
NSN 5960-00-740-7285
NSN 5960-00-071-0698