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 6135-00-422-3967
NSN 5990-00-140-4559
NSN 6135-00-170-8819
NSN 6105-00-079-2409
NSN 5990-01-498-0641
NSN 5910-01-447-3319
NSN 7035-01-463-9855
NSN 5910-01-036-1604
NSN 6150-00-265-6456
NSN 5930-01-243-2501
NSN 6240-00-332-2084
NSN 6650-00-420-3593