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 5965-01-334-3980
NSN 5915-01-381-0894
NSN 5945-01-364-7904
NSN 6110-01-277-8631
NSN 6110-00-051-4427
NSN 4140-01-337-5556
NSN 5950-01-539-6992
NSN 5930-01-620-7770
NSN 6685-01-201-9294
NSN 5910-01-261-2226
NSN 6110-00-340-3280
NSN 6645-00-321-6071