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 5915-01-291-6919
NSN 5835-01-114-3194
NSN 5910-01-100-0627
NSN 5905-01-545-5883
NSN 6650-01-233-6307
NSN 6645-00-641-3202
NSN 6610-01-423-9219
NSN 6645-01-240-5499
NSN 4140-01-311-0076
NSN 6685-00-684-7891
NSN 5950-01-266-4608
NSN 6620-01-323-6091