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 4140-00-383-8230
NSN 6320-01-281-6028
NSN 6240-00-458-4662
NSN 5920-00-809-7802
NSN 5960-01-084-7379
NSN 6645-00-385-3684
NSN 5835-01-036-4951
NSN 2925-00-866-7311
NSN 5910-01-043-0315
NSN 6610-01-023-6073
NSN 5855-01-125-9167
NSN 5915-01-026-2420