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 6135-00-471-5356
NSN 5925-01-358-3963
NSN 5945-01-534-7275
NSN 5990-00-119-5699
NSN 5915-00-173-5000
NSN 5965-00-549-0220
NSN 5945-01-574-4933
NSN 6145-00-463-8218
NSN 6220-01-344-9707
NSN 6645-01-014-9205
NSN 5975-01-621-0116
NSN 7035-01-445-3563