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 5905-00-973-1562
NSN 5985-01-211-6549
NSN 6685-00-784-0516
NSN 5935-01-543-6101
NSN 6150-01-569-1936
NSN 5965-00-497-8820
NSN 6150-00-819-0026
NSN 5945-01-585-8327
NSN 5965-01-534-9961
NSN 4140-01-561-1987
NSN 5998-01-482-6435
NSN 6240-00-452-5241