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 6240-01-370-0511
NSN 6645-01-374-4354
NSN 7035-00-511-8617
NSN 5990-00-350-2352
NSN 5960-00-249-2547
NSN 5855-00-221-9435
NSN 6105-00-390-9916
NSN 6320-01-170-0708
NSN 5910-01-557-1325
NSN 6685-01-090-4392
NSN 5998-01-461-8564
NSN 6610-00-472-5179