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 5930-01-123-9017
NSN 6240-00-635-9953
NSN 5985-00-221-5566
NSN 6110-01-602-2520
NSN 7035-01-369-1445
NSN 5950-01-399-0509
NSN 5960-00-882-9042
NSN 6145-01-342-9693
NSN 5975-01-432-2465
NSN 6105-00-472-2532
NSN 6135-01-423-7502
NSN 6320-00-116-3658