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 6150-01-454-9175
NSN 5950-00-157-3785
NSN 5999-01-033-8005
NSN 5996-01-253-3486
NSN 5965-01-199-8362
NSN 5985-01-005-0370
NSN 5999-01-338-9654
NSN 5835-01-168-6256
NSN 4140-01-222-8972
NSN 5915-00-155-4766
NSN 6620-01-591-1331
NSN 5975-00-526-4701