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 6620-01-385-6172
NSN 5975-01-338-9190
NSN 5855-01-463-9401
NSN 5915-01-008-8580
NSN 5965-01-386-2988
NSN 5985-00-020-2990
NSN 6650-00-864-2942
NSN 6105-00-987-7935
NSN 4140-01-571-9794
NSN 6145-01-451-4014
NSN 6645-01-479-0804
NSN 5996-00-009-6113