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 5905-01-433-2146
NSN 5910-00-622-5249
NSN 5855-01-225-5855
NSN 5895-01-565-1770
NSN 6620-00-869-9307
NSN 5960-00-391-6493
NSN 6645-01-571-6404
NSN 5990-01-626-3840
NSN 5975-00-080-7575
NSN 6110-01-064-8155
NSN 6220-01-497-7229
NSN 6320-01-067-0474