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 6220-00-166-9795
NSN 6130-00-723-0563
NSN 5945-01-603-4369
NSN 6220-00-400-8807
NSN 5996-01-128-3080
NSN 5960-01-352-0451
NSN 6240-01-443-0519
NSN 5915-01-262-5886
NSN 5950-01-350-9516
NSN 5960-01-026-7379
NSN 5905-01-648-1888
NSN 6240-01-565-3840