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 5996-01-500-1830
NSN 5910-00-964-7714
NSN 5915-00-202-5192
NSN 5999-01-232-6078
NSN 4140-00-438-2485
NSN 5990-01-030-5206
NSN 5895-00-586-7739
NSN 6130-01-125-6544
NSN 5965-01-069-5650
NSN 6145-01-161-6228
NSN 5855-01-433-2220
NSN 6320-01-230-8444