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 5855-01-421-7691
NSN 5975-00-953-6731
NSN 6320-01-434-6861
NSN 5965-00-842-9060
NSN 5925-01-144-0445
NSN 5945-00-829-4505
NSN 5960-00-160-2183
NSN 6145-01-282-8695
NSN 5930-01-116-7123
NSN 5999-01-136-1079
NSN 6105-01-408-6859
NSN 5990-00-072-5450