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 6220-01-255-8915
NSN 5915-01-390-8296
NSN 6685-01-268-3521
NSN 5998-01-542-6880
NSN 5999-00-243-6262
NSN 6645-00-914-2820
NSN 5930-00-448-8551
NSN 7035-01-510-2777
NSN 5965-00-289-6280
NSN 2925-00-391-0331
NSN 5999-01-453-5814
NSN 6645-01-445-5235