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 6610-01-204-7281
NSN 5985-00-138-1220
NSN 5998-01-571-8105
NSN 5975-00-575-9446
NSN 5999-01-079-6783
NSN 6135-00-738-5571
NSN 5935-00-203-4989
NSN 6150-01-477-2861
NSN 2925-00-314-0252
NSN 7035-01-355-7284
NSN 5965-01-262-3513
NSN 4140-01-378-6710