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 5945-00-224-7365
NSN 5915-01-542-6736
NSN 5835-01-064-2165
NSN 5975-01-401-5355
NSN 6645-01-023-8020
NSN 4140-00-001-1536
NSN 5835-00-325-8206
NSN 6240-01-369-9039
NSN 5985-01-326-1384
NSN 5965-01-367-6483
NSN 6220-00-849-4100
NSN 6685-01-099-2458