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 5905-01-630-9213
NSN 5905-00-933-4057
NSN 6145-01-482-1679
NSN 5905-01-240-5160
NSN 6610-01-112-4989
NSN 5905-01-246-4501
NSN 6650-00-854-0265
NSN 5998-01-593-5368
NSN 4140-01-330-8141
NSN 7035-00-369-6346
NSN 5910-00-008-4608
NSN 5965-01-437-0905