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 5935-01-634-0668
NSN 5990-01-313-5543
NSN 5855-01-575-1268
NSN 5925-01-555-7565
NSN 5990-00-135-6180
NSN 5915-00-107-6156
NSN 5935-00-116-9638
NSN 6645-00-244-0359
NSN 6685-01-022-0777
NSN 6150-01-066-5545
NSN 5965-00-400-6228
NSN 4140-01-445-5945