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 5990-01-485-0260
NSN 5996-01-213-5184
NSN 4140-01-166-6767
NSN 5855-01-566-8574
NSN 6130-01-151-9930
NSN 5835-01-461-8184
NSN 5950-00-108-8530
NSN 5996-01-407-7374
NSN 6620-01-633-8443
NSN 4140-01-281-8832
NSN 5985-01-109-8263
NSN 5965-01-140-7408