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 5930-01-642-3144
NSN 5925-01-356-7571
NSN 6685-00-074-1264
NSN 5920-01-149-3063
NSN 6645-01-056-5291
NSN 6320-01-523-4954
NSN 5910-01-336-6344
NSN 6685-01-454-6520
NSN 5895-01-376-3657
NSN 6645-00-434-8793
NSN 5905-00-322-5494
NSN 5975-01-465-9513