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 5915-00-888-4379
NSN 5905-00-629-3575
NSN 5935-00-630-2248
NSN 6620-01-149-0700
NSN 6610-01-186-4106
NSN 5985-01-555-8057
NSN 6685-01-236-6698
NSN 5996-01-275-3835
NSN 5945-00-274-3050
NSN 6150-01-027-1126
NSN 6105-01-367-1501
NSN 5990-01-411-5930