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 5915-00-419-7209
NSN 6220-01-374-0792
NSN 5915-01-237-3808
NSN 5895-01-443-6066
NSN 5998-01-598-8073
NSN 2925-01-068-3844
NSN 6645-00-410-2395
NSN 6145-00-152-6499
NSN 6320-01-290-5271
NSN 5998-00-079-9766
NSN 6620-01-416-1757
NSN 2925-01-577-0004