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 6145-01-609-5231
NSN 6110-01-027-7965
NSN 5915-00-080-5562
NSN 5915-00-419-7209
NSN 5935-01-449-5401
NSN 5930-01-435-6542
NSN 6220-01-222-0491
NSN 4140-01-391-9550
NSN 5920-00-019-0259
NSN 5990-00-818-7136
NSN 2925-00-759-5465
NSN 6620-01-166-9507