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 5960-00-877-8016
NSN 5945-00-035-4439
NSN 5835-00-789-1454
NSN 5920-00-558-6792
NSN 2925-00-636-4026
NSN 6145-01-229-0326
NSN 5999-01-559-0001
NSN 5915-00-781-3019
NSN 5999-00-051-4688
NSN 5920-01-060-7689
NSN 5915-01-519-6675
NSN 5910-01-204-1028