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 5910-01-440-9502
NSN 6240-00-170-5302
NSN 6135-01-159-3032
NSN 6145-01-234-6442
NSN 6150-00-335-7189
NSN 5990-00-489-7834
NSN 6645-01-238-2718
NSN 6240-01-160-8499
NSN 6645-00-016-0594
NSN 5915-01-093-0801
NSN 6620-01-210-4401
NSN 6620-00-127-6134