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 5990-01-067-1775
NSN 6105-00-038-7518
NSN 5925-00-001-7446
NSN 6105-01-512-1831
NSN 6130-01-287-8524
NSN 5935-00-889-8207
NSN 5930-01-529-8186
NSN 6685-01-252-3854
NSN 7035-01-443-3052
NSN 5910-00-584-6484
NSN 6620-01-162-8001
NSN 6645-01-540-7989