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 5935-01-012-3082
NSN 2925-01-411-4666
NSN 5835-01-345-6697
NSN 6110-00-245-4470
NSN 6130-01-602-7724
NSN 4140-01-332-4970
NSN 6650-01-202-9143
NSN 4140-01-415-4152
NSN 5996-01-535-0963
NSN 5999-01-543-1410
NSN 5996-01-207-2724
NSN 6220-00-334-7008