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 2925-00-398-0253
NSN 4140-00-878-7356
NSN 6240-01-647-8035
NSN 7035-01-423-8343
NSN 6645-01-505-5772
NSN 5975-01-564-3179
NSN 5945-01-403-2800
NSN 5999-00-964-8968
NSN 5965-00-918-3950
NSN 5835-01-013-9321
NSN 5915-00-067-7464
NSN 5965-01-483-1610