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 5895-01-640-7098
NSN 5930-00-140-6451
NSN 5945-01-021-7185
NSN 5960-01-236-1169
NSN 5990-01-149-9228
NSN 5998-01-434-8528
NSN 6220-01-555-7467
NSN 5910-01-505-1724
NSN 5998-01-511-5490
NSN 5910-01-133-9467
NSN 6220-01-620-7559
NSN 6685-01-130-1640