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 5960-01-073-8454
NSN 5990-01-546-1649
NSN 5985-01-319-4977
NSN 5965-01-296-8991
NSN 5950-01-386-3173
NSN 5965-01-129-5499
NSN 6650-00-009-1427
NSN 6685-01-252-6418
NSN 5950-00-453-4073
NSN 5925-00-879-2184
NSN 5895-01-207-0753
NSN 6130-01-439-6046