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 6620-00-140-8644
NSN 5915-01-532-9979
NSN 6105-01-145-5046
NSN 5999-01-487-6826
NSN 5905-01-036-8620
NSN 6220-01-631-0414
NSN 5910-01-442-8240
NSN 6240-01-141-5230
NSN 5835-00-315-3797
NSN 6220-01-065-8544
NSN 6320-01-160-8578
NSN 5975-00-126-0415