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 5920-01-470-8851
NSN 6645-01-031-6402
NSN 6145-01-476-4056
NSN 5950-01-043-4984
NSN 6650-01-505-1127
NSN 5990-01-175-2597
NSN 6135-00-235-1938
NSN 6130-00-387-2051
NSN 7035-01-146-7096
NSN 4140-01-460-5589
NSN 6645-00-099-6913
NSN 6220-00-578-6539