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 5910-00-807-3916
NSN 5895-01-448-6232
NSN 6220-01-223-3984
NSN 5998-01-140-6070
NSN 6685-01-425-1719
NSN 7035-01-377-6255
NSN 5960-01-423-1085
NSN 5895-01-149-3208
NSN 5855-00-560-0110
NSN 6145-01-559-2050
NSN 6645-00-211-6906
NSN 5915-00-539-9930