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 6610-01-432-5144
NSN 5910-00-996-1593
NSN 6110-01-479-5645
NSN 5960-01-143-1202
NSN 6610-00-099-4096
NSN 5965-01-633-8849
NSN 5975-01-346-4563
NSN 6685-00-010-8367
NSN 5895-01-058-8677
NSN 5975-01-549-1525
NSN 4140-01-361-7975
NSN 6130-01-504-6883