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 5905-00-477-1185
NSN 5925-00-009-3005
NSN 5895-01-315-1880
NSN 5945-01-468-7349
NSN 5985-01-509-4534
NSN 6645-01-243-0468
NSN 6650-01-031-5243
NSN 4140-00-618-0530
NSN 5975-00-079-4753
NSN 6220-01-288-0416
NSN 6105-01-267-3757
NSN 6105-01-063-4910