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 5835-01-359-2575
NSN 4140-01-160-6046
NSN 6110-00-336-1734
NSN 5910-01-038-7923
NSN 5925-01-005-9384
NSN 5975-01-354-7914
NSN 5975-01-197-7673
NSN 4140-01-577-6747
NSN 6610-00-166-7406
NSN 5915-00-156-7877
NSN 5895-00-270-6595
NSN 5930-01-022-5293