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 5998-01-573-8043
NSN 4140-01-260-1909
NSN 6645-01-541-5696
NSN 5910-00-284-8295
NSN 6320-01-086-2602
NSN 5915-01-297-2872
NSN 6685-01-277-2864
NSN 5999-00-067-7507
NSN 6645-01-027-3838
NSN 6650-01-550-2372
NSN 6320-01-445-0325
NSN 6240-00-084-0176