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 5999-00-547-3376
NSN 6220-00-308-9728
NSN 5915-00-025-1763
NSN 6685-01-533-8374
NSN 6130-01-301-6721
NSN 6150-01-255-3108
NSN 5835-00-269-2232
NSN 5835-01-424-0054
NSN 5925-01-367-6118
NSN 4140-01-616-1679
NSN 5835-00-490-0530
NSN 5915-01-293-4168