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 5975-01-560-8272
NSN 5999-00-241-4250
NSN 6610-00-759-2868
NSN 5960-01-512-0233
NSN 4140-00-078-9357
NSN 6685-01-407-3282
NSN 5920-01-162-9156
NSN 4140-00-914-7949
NSN 5999-00-448-0882
NSN 6320-01-476-7702
NSN 7035-00-283-3112
NSN 7035-01-432-2424