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 5915-01-615-1053
NSN 5925-01-134-1162
NSN 5945-01-502-4181
NSN 6620-00-730-8699
NSN 5915-00-243-5950
NSN 5960-01-582-6167
NSN 6220-01-246-7534
NSN 6650-00-498-2416
NSN 5985-01-129-8848
NSN 6145-01-232-9454
NSN 5965-00-524-5521
NSN 5999-01-221-5350