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 5990-00-908-0807
NSN 5996-01-194-4498
NSN 6685-00-979-9267
NSN 6650-00-116-7439
NSN 6105-00-887-3793
NSN 5965-00-815-2525
NSN 6130-01-184-3225
NSN 5990-01-174-6851
NSN 4140-01-317-3559
NSN 6145-01-322-8830
NSN 5965-00-170-5254
NSN 6145-00-340-6698