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 6610-01-421-5367
NSN 5915-01-414-9915
NSN 5855-00-631-4565
NSN 5985-00-583-6307
NSN 5945-01-062-4643
NSN 5855-00-491-7079
NSN 5925-01-512-8126
NSN 6645-01-171-4528
NSN 5998-01-463-3108
NSN 6320-01-409-1388
NSN 6220-01-529-9933
NSN 5965-01-535-0718