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 6610-00-938-2320
NSN 5910-01-380-0379
NSN 6145-00-154-1360
NSN 6685-01-273-4366
NSN 4140-01-080-8268
NSN 6645-00-954-4065
NSN 5920-01-139-5368
NSN 5990-00-351-5479
NSN 6645-01-142-2416
NSN 5910-01-467-2404
NSN 6645-00-200-2324
NSN 6150-01-115-8095