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 5990-00-997-1382
NSN 7035-00-763-6180
NSN 5855-00-879-7245
NSN 7035-01-443-3052
NSN 5935-01-095-6564
NSN 5975-01-651-5428
NSN 6685-01-415-9228
NSN 5950-00-737-0678
NSN 5925-00-996-0545
NSN 6240-01-525-6585
NSN 4140-01-100-1223
NSN 6145-00-937-3536