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 6645-01-429-6768
NSN 4140-01-386-5106
NSN 5990-01-416-6009
NSN 2925-01-103-1241
NSN 6220-00-132-6854
NSN 2925-00-228-4021
NSN 5915-00-893-0767
NSN 6620-00-388-0047
NSN 5999-01-345-0229
NSN 5835-00-233-6327
NSN 5965-01-191-0735
NSN 4140-01-350-3277