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 5990-00-263-1289
NSN 6650-00-460-5059
NSN 6620-01-261-2985
NSN 6150-00-010-7632
NSN 5998-01-322-3400
NSN 6150-01-499-9404
NSN 5985-00-862-3291
NSN 5925-01-642-1198
NSN 6240-00-948-1108
NSN 6105-01-476-9706
NSN 5998-01-188-2911
NSN 6320-00-593-0379