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 5965-01-082-6800
NSN 5996-00-115-0930
NSN 6135-01-142-2417
NSN 6645-01-519-3007
NSN 6130-00-204-2976
NSN 6645-00-857-0410
NSN 5910-00-289-3712
NSN 5930-01-563-3966
NSN 5999-01-065-8543
NSN 4140-01-345-3267
NSN 5999-01-564-0922
NSN 6610-01-555-8596