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 5990-01-144-6994
NSN 6110-00-473-5111
NSN 5965-01-374-2376
NSN 5835-01-168-6256
NSN 5998-01-109-3097
NSN 6220-01-436-3850
NSN 5965-00-043-3463
NSN 6105-00-499-7018
NSN 6650-01-170-4397
NSN 5895-01-319-9151
NSN 5915-00-846-3733
NSN 6135-01-507-4346