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 5950-00-833-8133
NSN 6320-01-089-9086
NSN 6135-01-071-4923
NSN 5945-00-976-4983
NSN 5855-01-205-7030
NSN 5920-01-068-1483
NSN 5998-01-144-2831
NSN 6620-01-116-2632
NSN 5999-01-462-2644
NSN 6610-01-050-3075
NSN 5910-01-584-4216
NSN 5990-01-546-1649