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 4140-00-881-9912
NSN 6220-01-614-5104
NSN 2925-00-115-5857
NSN 5895-00-753-5349
NSN 6220-00-877-2151
NSN 6320-01-544-0860
NSN 5975-01-476-7704
NSN 5998-01-611-1974
NSN 5950-01-249-4645
NSN 5950-00-348-3801
NSN 6685-00-446-8238
NSN 5960-01-124-8336