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 6135-00-935-8769
NSN 5999-01-432-6043
NSN 5915-01-272-4182
NSN 2925-01-434-2502
NSN 6320-01-446-8050
NSN 6645-01-006-6735
NSN 5960-01-453-6170
NSN 5998-00-948-2011
NSN 5945-01-316-1767
NSN 5985-00-140-7407
NSN 5905-01-039-8357
NSN 6320-00-977-3930