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 5996-00-525-1777
NSN 5999-00-013-5116
NSN 4140-01-261-4741
NSN 6645-01-205-3869
NSN 6110-01-443-2944
NSN 4140-01-347-2623
NSN 5930-01-195-8076
NSN 6645-01-333-7497
NSN 5950-01-143-7950
NSN 4140-01-117-5698
NSN 5925-01-540-6008
NSN 5905-01-157-5179