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 6145-00-147-6422
NSN 6105-01-606-4265
NSN 5910-01-490-4294
NSN 5920-00-237-7375
NSN 6320-01-125-3361
NSN 6220-01-548-8326
NSN 6645-01-171-0187
NSN 5960-01-278-9394
NSN 7035-01-327-6130
NSN 5996-01-104-4161
NSN 6610-01-261-6102
NSN 5905-01-508-4193