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 5950-00-227-7869
NSN 6320-00-456-0836
NSN 6145-00-394-9120
NSN 6685-00-146-2308
NSN 5925-01-367-2519
NSN 5975-00-156-5737
NSN 4140-01-584-3282
NSN 5915-01-377-8681
NSN 6135-01-485-1227
NSN 5895-01-410-8742
NSN 6650-00-086-1571
NSN 5910-00-983-4943