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 5935-00-221-5089
NSN 5945-01-186-6349
NSN 6135-00-269-5843
NSN 5999-01-254-2222
NSN 5920-01-348-0684
NSN 4140-01-041-2636
NSN 6620-01-462-1625
NSN 6685-01-657-9686
NSN 4140-01-509-4574
NSN 5975-01-119-8782
NSN 2925-01-087-4184
NSN 5915-01-476-2892