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 4140-00-113-5991
NSN 5960-01-553-4557
NSN 6220-01-318-4996
NSN 5999-01-264-7276
NSN 5930-00-278-7731
NSN 5996-00-925-1324
NSN 5999-01-611-6219
NSN 5905-00-638-6776
NSN 5985-01-561-7506
NSN 5975-00-123-6441
NSN 5996-00-001-2773
NSN 5925-01-067-8301