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 5895-01-249-5020
NSN 5950-00-137-4948
NSN 6610-01-607-3682
NSN 7035-01-513-9502
NSN 6145-00-521-0001
NSN 7035-00-541-8516
NSN 5975-01-210-8885
NSN 5945-01-272-8904
NSN 4140-00-256-1471
NSN 6150-01-352-5926
NSN 5999-01-438-2686
NSN 6220-01-010-8242