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 5925-01-538-4020
NSN 5998-01-139-6237
NSN 4140-00-541-9077
NSN 6620-00-486-6443
NSN 4140-00-613-9209
NSN 6130-01-280-3592
NSN 5925-01-645-2644
NSN 6610-00-516-4228
NSN 6645-00-155-2398
NSN 6620-01-576-4308
NSN 6650-01-344-6550
NSN 5998-01-342-4795