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 5960-01-430-3911
NSN 6220-01-187-1028
NSN 5910-01-451-2664
NSN 5945-01-433-2797
NSN 5990-01-387-0623
NSN 5910-00-779-6417
NSN 5915-01-174-8995
NSN 5930-01-169-1602
NSN 5960-01-303-5884
NSN 2925-01-446-6976
NSN 6105-00-093-1450
NSN 7035-01-158-8860