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 5945-01-301-7520
NSN 5990-00-848-8870
NSN 4140-01-565-2436
NSN 2925-01-218-5556
NSN 6685-00-807-3625
NSN 5895-01-356-3990
NSN 6685-00-253-9997
NSN 6620-01-590-7035
NSN 6610-01-263-2409
NSN 6620-00-684-3425
NSN 6685-01-397-7781
NSN 6105-01-056-7511