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 6240-00-204-0459
NSN 6320-00-456-2092
NSN 2925-01-554-5246
NSN 4140-00-213-9937
NSN 5855-01-610-3506
NSN 5945-00-702-2085
NSN 6610-01-064-3507
NSN 5945-01-067-3080
NSN 5950-01-068-7504
NSN 5990-01-533-1347
NSN 5996-01-260-2993
NSN 6240-01-037-2215