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 5895-01-623-1040
NSN 5925-01-364-9184
NSN 4140-00-289-9263
NSN 5975-00-161-4947
NSN 5930-01-566-9363
NSN 6110-00-807-9508
NSN 5950-00-102-4546
NSN 5998-01-151-4489
NSN 5960-01-468-5785
NSN 6610-01-398-8815
NSN 5999-00-278-5563
NSN 6610-01-519-8953