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 5965-00-255-3889
NSN 4140-00-170-5152
NSN 6110-00-232-5406
NSN 6145-00-815-7154
NSN 5975-01-567-7875
NSN 5999-00-945-7239
NSN 5910-00-849-6815
NSN 5855-01-167-2162
NSN 6240-01-044-4088
NSN 6650-01-152-9425
NSN 5905-00-160-5731
NSN 5965-00-111-2073