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 5960-00-338-9164
NSN 6110-01-478-0359
NSN 6130-01-027-0762
NSN 6645-00-079-1430
NSN 6145-01-174-0641
NSN 6645-01-313-9634
NSN 6650-01-107-5450
NSN 5855-00-962-5792
NSN 6650-01-086-5392
NSN 5925-01-627-0259
NSN 5905-01-297-4181
NSN 6620-01-278-8028