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 5925-00-169-9829
NSN 5999-00-171-8858
NSN 6645-00-531-4820
NSN 5895-00-914-6636
NSN 5985-00-466-3574
NSN 6650-01-301-8806
NSN 6685-01-659-6927
NSN 6685-01-164-4130
NSN 5960-00-297-7099
NSN 6620-00-915-9388
NSN 6620-00-243-1759
NSN 6135-01-378-3331