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 5855-00-320-4116
NSN 6135-00-613-1068
NSN 5920-01-471-9235
NSN 6620-01-524-0583
NSN 5950-01-309-0849
NSN 6685-01-321-3327
NSN 6135-00-284-1406
NSN 6645-01-500-0827
NSN 5996-00-783-9246
NSN 6650-01-233-6307
NSN 5975-01-449-1462
NSN 7035-00-205-8739