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 6645-01-653-7762
NSN 5990-00-862-3271
NSN 6685-01-248-3416
NSN 7035-01-426-4133
NSN 5945-01-481-7084
NSN 5855-01-233-2767
NSN 6620-01-076-1340
NSN 5990-01-097-4721
NSN 6650-00-195-7519
NSN 5998-01-145-4426
NSN 5999-01-608-0577
NSN 5930-01-061-6034