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 6150-01-130-2587
NSN 5998-00-757-0536
NSN 5996-01-421-4417
NSN 6320-00-583-3105
NSN 5999-00-111-4359
NSN 5905-01-388-0713
NSN 5915-01-459-7084
NSN 4140-01-255-8664
NSN 6240-01-212-2850
NSN 5960-01-391-1308
NSN 5905-00-725-3519
NSN 5945-00-584-9251