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 6645-01-544-3581
NSN 6110-01-504-5237
NSN 5960-00-904-9744
NSN 5925-01-038-7029
NSN 5965-01-197-6924
NSN 5835-00-422-1441
NSN 5965-00-772-0545
NSN 6685-01-595-6905
NSN 6220-00-200-7888
NSN 6620-00-232-2048
NSN 6320-00-593-0379
NSN 5975-01-577-1282