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 5998-00-283-7892
NSN 5999-01-391-1539
NSN 5930-01-473-8375
NSN 5925-01-311-6726
NSN 6135-01-479-9790
NSN 6220-01-581-5986
NSN 6145-01-560-7233
NSN 6220-01-157-2930
NSN 6320-01-116-3980
NSN 6135-00-519-1325
NSN 5930-00-783-8924
NSN 5835-01-480-9215