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 5990-01-152-3974
NSN 6135-00-753-2276
NSN 6145-01-625-9866
NSN 6240-01-542-9964
NSN 5930-00-171-8867
NSN 6130-00-993-0194
NSN 5905-00-313-5484
NSN 5930-01-439-9922
NSN 6320-01-271-0247
NSN 5996-00-879-0852
NSN 5985-01-421-2454
NSN 5975-01-167-3652