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 5950-01-510-9445
NSN 5910-01-239-4269
NSN 6645-00-998-7820
NSN 5905-00-353-1659
NSN 5985-01-496-7792
NSN 5935-00-108-9675
NSN 6240-00-372-4841
NSN 5975-01-323-9454
NSN 5895-01-013-5397
NSN 5935-01-444-1693
NSN 5905-00-900-5490
NSN 6150-01-255-8006