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 6685-00-269-6444
NSN 6145-00-269-4271
NSN 5975-01-440-5489
NSN 5925-01-069-3443
NSN 5930-01-283-4435
NSN 5920-01-432-0499
NSN 7035-01-227-2546
NSN 6685-00-756-6344
NSN 5930-00-608-5722
NSN 6135-00-951-3426
NSN 6685-01-227-2993
NSN 6645-01-344-8702