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 5905-01-277-2581
NSN 6620-01-412-7426
NSN 5950-01-313-2119
NSN 5999-01-224-6303
NSN 6220-01-347-4800
NSN 5990-00-974-1918
NSN 5915-01-359-5844
NSN 4140-00-918-2971
NSN 5945-01-422-2529
NSN 2925-01-471-4912
NSN 4140-01-397-6940
NSN 5945-00-044-2404