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 6105-00-719-9943
NSN 2925-00-918-0859
NSN 7035-01-578-6909
NSN 5999-00-456-0603
NSN 5960-00-397-7744
NSN 6145-00-156-4394
NSN 6320-01-547-2743
NSN 5990-00-459-5752
NSN 4140-00-564-7177
NSN 6135-01-235-4168
NSN 5960-00-188-8648
NSN 5998-01-440-8794