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 5905-01-364-1160
NSN 6145-01-281-5661
NSN 5965-01-502-7006
NSN 5975-01-605-0860
NSN 6610-00-790-2735
NSN 2925-01-629-9416
NSN 5905-01-391-5673
NSN 6685-01-543-3705
NSN 6650-01-254-3690
NSN 6650-00-981-1336
NSN 5999-01-442-4750
NSN 6645-01-045-4088