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 5945-01-528-0393
NSN 5965-01-643-1951
NSN 5855-01-366-2429
NSN 5990-00-179-2576
NSN 5945-01-378-9767
NSN 5990-01-565-2226
NSN 5920-01-634-0250
NSN 5920-01-188-8833
NSN 6685-01-147-5617
NSN 6320-01-554-0901
NSN 5920-01-148-1042
NSN 5910-01-580-4889