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 6610-01-322-4331
NSN 5950-00-355-6296
NSN 2925-01-658-9457
NSN 4140-01-426-6629
NSN 6240-00-334-6766
NSN 6645-01-549-0935
NSN 6645-00-846-9206
NSN 5905-00-394-7194
NSN 5930-01-212-9848
NSN 6110-00-137-2348
NSN 5990-01-338-2103
NSN 2925-01-433-4374