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 6150-01-411-1331
NSN 5930-01-483-7117
NSN 5950-00-900-5899
NSN 2925-00-225-1730
NSN 5910-01-643-5704
NSN 6620-01-212-4298
NSN 5998-01-233-9448
NSN 5935-01-451-4152
NSN 5996-01-335-3512
NSN 4140-01-609-0255
NSN 6645-00-544-8529
NSN 2925-01-416-6927