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 5910-00-225-2131
NSN 5985-01-055-5656
NSN 6220-00-515-6998
NSN 5895-00-719-7759
NSN 6645-01-398-1691
NSN 5990-01-027-5433
NSN 7035-01-222-2534
NSN 5950-00-530-4612
NSN 6110-01-132-2442
NSN 5915-01-208-4777
NSN 6650-00-227-8743
NSN 6610-00-115-3519