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 5975-00-290-4285
NSN 5985-00-947-3837
NSN 6135-00-455-2425
NSN 5975-01-323-7166
NSN 6645-00-006-6387
NSN 6620-01-036-1385
NSN 6105-01-458-2534
NSN 5915-00-828-2550
NSN 5920-01-023-0040
NSN 6135-01-449-0625
NSN 5910-00-941-3997
NSN 6620-01-444-4048