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 5910-00-833-9028
NSN 5996-00-659-7815
NSN 4140-00-281-4493
NSN 6110-00-466-1674
NSN 5835-00-187-1481
NSN 5985-01-531-5272
NSN 5920-01-052-5828
NSN 6645-01-384-7791
NSN 5945-01-622-0609
NSN 6240-01-200-7937
NSN 5998-01-121-9620
NSN 5990-01-215-5997