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 5905-01-197-3849
NSN 6105-01-571-7371
NSN 5975-00-779-3319
NSN 5998-01-207-0979
NSN 6645-01-333-9336
NSN 6150-01-109-2266
NSN 4140-00-846-4786
NSN 5895-00-471-9904
NSN 5996-00-061-0336
NSN 5965-01-413-9205
NSN 5960-00-003-7639
NSN 5920-00-503-3251