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 5855-01-040-0107
NSN 4140-01-122-1370
NSN 6150-01-654-8911
NSN 5915-01-360-7457
NSN 6645-00-017-8252
NSN 6650-01-022-2617
NSN 5990-01-390-2177
NSN 2925-00-005-1618
NSN 6145-00-725-7163
NSN 5925-00-364-7969
NSN 6320-01-352-5653
NSN 6685-01-126-0446