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 6150-00-465-2974
NSN 5905-00-875-5055
NSN 6320-01-607-1491
NSN 4140-01-352-1787
NSN 5915-00-584-3512
NSN 5960-00-914-1740
NSN 6685-01-167-8612
NSN 5835-00-939-7470
NSN 6645-01-461-7704
NSN 5950-00-079-5802
NSN 6130-00-530-3737
NSN 7035-01-013-9889