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 5835-00-187-1481
NSN 6145-01-162-4800
NSN 6220-01-418-1889
NSN 6240-00-811-7162
NSN 5925-01-324-6032
NSN 6645-01-578-6815
NSN 5998-00-495-2931
NSN 5990-01-386-5561
NSN 5975-01-017-7726
NSN 5910-01-529-1639
NSN 6130-01-362-5719
NSN 6130-01-570-6168