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 5905-01-410-7780
NSN 5998-00-320-2946
NSN 4140-00-115-0830
NSN 5975-01-370-4455
NSN 5905-00-257-0121
NSN 6145-01-642-8596
NSN 5925-01-155-9583
NSN 6145-00-849-0583
NSN 6650-00-176-1911
NSN 6105-01-298-1565
NSN 6240-01-167-5979
NSN 5855-01-341-7320