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 6130-01-442-4091
NSN 5975-00-060-6366
NSN 6620-01-094-6549
NSN 5930-01-032-3316
NSN 5975-01-359-4848
NSN 6130-00-204-2976
NSN 5975-01-487-4379
NSN 6150-00-451-4984
NSN 6145-01-576-7634
NSN 5960-00-841-9227
NSN 6220-00-187-0649
NSN 6320-01-333-5782