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 6620-00-959-6614
NSN 6220-01-105-6613
NSN 5998-00-839-8970
NSN 6240-00-459-5367
NSN 5925-00-008-4413
NSN 5905-01-336-0172
NSN 6685-01-572-7860
NSN 5920-00-155-2173
NSN 5996-00-127-3325
NSN 6150-00-142-9142
NSN 5960-00-306-4177
NSN 5975-01-155-6574