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 5965-01-388-1379
NSN 5985-01-004-7676
NSN 5960-00-081-9255
NSN
NSN 2925-01-444-6676
NSN 6650-00-578-6543
NSN 5965-00-137-2605
NSN 6645-01-451-1295
NSN 6240-00-252-4501
NSN 7035-01-292-7439
NSN 5975-01-013-0735
NSN 7035-00-104-7613