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 5895-00-945-6651
NSN 5905-00-784-0945
NSN 5960-01-025-9388
NSN 6105-01-421-4457
NSN 5999-01-315-7407
NSN 5990-01-411-5930
NSN 5999-00-721-4116
NSN 5855-00-688-9954
NSN 6240-01-223-2453
NSN 6135-01-451-2120
NSN 5930-01-113-6839
NSN 5945-00-583-9552