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 4140-01-188-0111
NSN 6135-01-119-0720
NSN 6130-01-426-8841
NSN 6685-01-076-4703
NSN 5999-01-227-1383
NSN 5999-01-391-5416
NSN 5960-00-967-7026
NSN 5930-01-553-1484
NSN 6610-01-550-2368
NSN 5950-01-190-3481
NSN 5990-00-108-5400
NSN 6130-01-417-2662