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 6145-01-220-5422
NSN 6110-01-407-1353
NSN 6130-01-444-2571
NSN 6645-01-096-4270
NSN 5910-01-655-5001
NSN 6650-01-429-4796
NSN 6130-00-913-9051
NSN 7035-01-313-6973
NSN 6145-00-952-2872
NSN 5925-01-264-0616
NSN 5925-00-079-2930
NSN 6150-01-436-2306