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 5855-01-392-1110
NSN 6685-01-184-3985
NSN 5999-00-633-2700
NSN 5960-01-544-1273
NSN 6220-01-552-8047
NSN 5910-01-586-2719
NSN 6620-01-124-0947
NSN 6320-01-082-2459
NSN 5990-01-249-2060
NSN 5965-00-230-8818
NSN 6320-01-170-4068
NSN 4140-01-298-8193