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 6105-00-403-1392
NSN 5985-00-259-8222
NSN 6145-00-155-5297
NSN 4140-01-602-9257
NSN 6220-01-593-5065
NSN 4140-01-212-8286
NSN 5990-01-116-2181
NSN 6105-01-641-3334
NSN 6110-00-091-0436
NSN 5990-01-030-1034
NSN 6685-01-343-0032
NSN 6650-00-775-6560