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 6645-00-079-4087
NSN 4140-00-787-4444
NSN 5985-00-411-4025
NSN 5990-01-288-7393
NSN 5925-01-218-8302
NSN 5975-01-110-1359
NSN 5835-01-297-1909
NSN 6110-01-220-1660
NSN 7035-01-587-9360
NSN 6650-01-090-8576
NSN 5905-01-382-2735
NSN 6135-01-210-8715