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 6650-01-355-7348
NSN 6620-01-250-1692
NSN 7035-01-559-2440
NSN 6130-00-585-9448
NSN 5965-01-167-8513
NSN 5930-01-020-8942
NSN 5990-00-866-3694
NSN 6145-01-087-8172
NSN 5910-00-104-3794
NSN 5910-00-177-6752
NSN 4140-00-660-8699
NSN 6105-00-541-8472