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 5945-01-558-4003
NSN 6645-00-067-7070
NSN 6110-01-023-8496
NSN 6130-01-481-6149
NSN 5960-01-098-8437
NSN 5925-01-553-8498
NSN 4140-00-587-7496
NSN 5950-01-115-3352
NSN 6145-01-050-7531
NSN 5945-01-338-3269
NSN 6105-01-566-4851
NSN 7035-00-076-4097