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 6135-00-917-1894
NSN 5935-01-019-1270
NSN 6320-01-585-8468
NSN 4140-01-003-9850
NSN 5950-01-571-6618
NSN 6610-00-966-9769
NSN 5910-00-926-2499
NSN 6645-01-310-2949
NSN 6150-00-269-8447
NSN 5996-01-086-5903
NSN 5915-01-205-7498
NSN 5905-00-499-3347