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 6620-00-010-8190
NSN 5998-01-521-3782
NSN 6240-01-338-1773
NSN 6220-00-069-5239
NSN 6220-01-198-7217
NSN 5855-00-494-9581
NSN 6610-01-311-5872
NSN 6320-00-382-7825
NSN 6150-00-185-9995
NSN 5990-01-632-0969
NSN 5905-01-195-3731
NSN 6685-01-191-1539