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 5975-00-904-6348
NSN 5915-00-723-8269
NSN 6150-00-940-8846
NSN 5985-00-018-3185
NSN 6650-00-155-7941
NSN 5910-01-437-8914
NSN 6610-01-090-5908
NSN 6220-00-366-1670
NSN 5965-01-306-1328
NSN 5996-00-835-7777
NSN 7035-01-524-8969
NSN 4140-01-578-5300