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 5990-01-561-6949
NSN 6645-00-859-8404
NSN 6145-00-366-5790
NSN 6320-01-371-3047
NSN 6240-01-068-3491
NSN 6645-01-393-4037
NSN 5835-01-281-1655
NSN 6220-01-598-2614
NSN 6145-00-864-7881
NSN 6110-00-155-4303
NSN 5965-01-223-3307
NSN 5915-00-504-2926