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 5925-01-472-3382
NSN 4140-00-523-0410
NSN 4140-01-139-4877
NSN 6150-01-439-5394
NSN 2925-01-629-9416
NSN 5990-01-411-5930
NSN 6320-01-426-8947
NSN 5945-01-164-3318
NSN 6130-00-738-3588
NSN 2925-01-197-7864
NSN 6110-01-591-4413
NSN 6220-00-285-5786