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 4140-01-386-5630
NSN 7035-00-232-4043
NSN 5960-01-241-9078
NSN 5975-00-448-5015
NSN 6145-01-015-8878
NSN 5950-00-407-1959
NSN 5915-01-571-2124
NSN 6130-00-906-6499
NSN 6135-00-519-1325
NSN 5990-00-155-2306
NSN 5985-01-566-2576
NSN 5925-01-290-5630