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 5990-01-180-7365
NSN 5930-01-378-7763
NSN 4140-01-424-6438
NSN 6110-01-067-7677
NSN 5945-01-417-2146
NSN 5985-01-199-8382
NSN 5950-01-319-8734
NSN 5920-01-051-8086
NSN 5965-00-275-0491
NSN 5935-01-229-2332
NSN 6620-00-155-2608
NSN 6145-01-440-8365