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 4140-01-168-8796
NSN 6110-01-105-8373
NSN 6610-01-149-1465
NSN 6220-01-578-7084
NSN 5935-01-063-9924
NSN 5950-00-007-1952
NSN 6105-01-104-5214
NSN 5990-01-054-3332
NSN 5925-00-369-7747
NSN 5965-00-735-9315
NSN 6145-01-608-6026
NSN 5930-00-411-8830