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 5998-01-555-9093
NSN 5895-00-755-4647
NSN 5960-01-142-1995
NSN 5950-01-048-7073
NSN 5835-00-901-4932
NSN 6135-01-086-8167
NSN 6645-01-659-8683
NSN 5835-01-362-0305
NSN 5960-01-250-1095
NSN 6620-01-571-0900
NSN 6610-00-781-4198
NSN 6645-00-754-4108