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 5905-01-410-7780
NSN 6240-01-401-5340
NSN 5965-00-116-5363
NSN 6220-01-104-7280
NSN 6110-01-555-8410
NSN 6650-01-600-2980
NSN 5915-01-222-3972
NSN 5930-00-137-4969
NSN 6650-01-100-3185
NSN 5925-01-460-7920
NSN 6135-01-260-7180
NSN 6610-01-261-6102