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 5975-01-218-1730
NSN 5985-00-445-3934
NSN 2925-01-089-4176
NSN 5910-01-114-5169
NSN 6645-01-054-3969
NSN 5975-01-541-4972
NSN 5925-01-019-9703
NSN 4140-01-563-5618
NSN 5895-01-526-3443
NSN 5985-01-017-3683
NSN 6650-01-251-7048
NSN 6135-01-231-4809