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 5945-00-233-5804
NSN 5975-01-575-3660
NSN 6150-00-269-3898
NSN 5950-00-822-6586
NSN 6320-00-456-0836
NSN 6105-00-320-8322
NSN 5920-01-457-3166
NSN 6105-01-421-5432
NSN 2925-01-353-1342
NSN 6105-00-318-5819
NSN 6130-00-840-4666
NSN 6145-00-136-9132