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 6145-01-018-6539
NSN 5920-00-283-1321
NSN 5985-01-334-7075
NSN 5855-01-187-2293
NSN 5925-01-331-8636
NSN 4140-01-158-9515
NSN 6320-01-195-5583
NSN 6220-01-573-7639
NSN 6610-01-360-3564
NSN 5996-01-440-8935
NSN 5960-00-517-9359
NSN 5905-01-081-2223