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 6645-00-973-3868
NSN 5855-00-337-3679
NSN 5960-01-503-4123
NSN 6150-00-216-8960
NSN 5915-01-014-0336
NSN 6240-01-082-1408
NSN 5910-01-508-4983
NSN 5930-00-636-8888
NSN 2925-01-212-1040
NSN 6240-01-482-1022
NSN 6650-01-090-0719
NSN 6620-01-541-4465