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 5945-01-412-5120
NSN 5996-01-017-1309
NSN 5945-01-473-4584
NSN 5985-01-067-4764
NSN 5975-01-420-6902
NSN 5925-01-089-9791
NSN 6145-00-423-1563
NSN 5996-01-256-8630
NSN 5945-00-209-9784
NSN 5996-01-371-2958
NSN 4140-00-857-3202
NSN 5999-01-433-9985