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 6145-01-391-3551
NSN 5910-01-103-2583
NSN 6320-00-284-1524
NSN 5855-01-114-3513
NSN 5920-01-417-8751
NSN 6620-01-623-7266
NSN 6135-01-599-4006
NSN 6685-00-114-1826
NSN 5905-01-421-9436
NSN 7035-01-137-8266
NSN 5895-00-974-5100
NSN 5998-00-999-3703