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 5930-01-602-5141
NSN 5855-00-962-5792
NSN 6145-01-284-0017
NSN 6610-01-462-9439
NSN 5990-01-565-2226
NSN 5996-01-550-5086
NSN 2925-01-144-0352
NSN 4140-01-571-7913
NSN 6135-00-276-7625
NSN 6685-01-606-9171
NSN 5835-00-911-6330
NSN 6650-01-463-4235