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 5855-01-481-3906
NSN 5985-00-368-7198
NSN 5960-01-425-1454
NSN 6130-00-412-9405
NSN 5910-01-444-1429
NSN 2925-01-329-3665
NSN 5960-01-575-5603
NSN 5835-00-231-9544
NSN 6145-00-534-1412
NSN 5905-01-461-5860
NSN 6145-01-550-9633
NSN 6620-01-473-8262