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 5965-01-592-2436
NSN 5998-01-555-8124
NSN 5855-01-286-9928
NSN 6240-00-408-9545
NSN 5835-01-608-8868
NSN 5930-01-160-5623
NSN 5835-00-170-5238
NSN 6610-01-509-9913
NSN 6620-00-254-5127
NSN 2925-01-105-7850
NSN 5930-01-426-9130
NSN 6320-01-353-9753