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 4140-01-442-5155
NSN 7035-00-922-5700
NSN 5835-01-024-9249
NSN 5965-01-329-7890
NSN 4140-00-232-1039
NSN 6650-01-394-6124
NSN 6135-01-438-9450
NSN 5915-01-378-7337
NSN 5915-00-973-6803
NSN 5920-01-444-1397
NSN 6150-00-171-0340
NSN 5910-01-006-7205