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 6610-01-294-5666
NSN 5915-01-415-3520
NSN 5960-01-656-6343
NSN 5920-00-144-2535
NSN 5895-01-114-8515
NSN 6110-01-457-2351
NSN 5925-01-607-7712
NSN 5985-01-236-1166
NSN 6650-00-226-7099
NSN 6320-00-456-0836
NSN 6150-01-428-5825
NSN 6645-00-629-9367