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 5960-00-843-1868
NSN 5950-01-442-8270
NSN 5975-01-237-0034
NSN 6685-01-142-3201
NSN 5935-01-526-9165
NSN 6620-00-136-5288
NSN 5975-00-286-8506
NSN 5835-01-123-4526
NSN 5999-01-451-6553
NSN 5915-00-142-6912
NSN 6620-00-967-9684
NSN 5965-01-090-3573