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 5910-00-999-1060
NSN 6610-01-494-3703
NSN 6645-01-213-1739
NSN 5985-00-838-9920
NSN 6220-01-534-6695
NSN 5965-00-938-2814
NSN 4140-00-811-2297
NSN 6685-01-435-4072
NSN 6150-01-268-4864
NSN 6645-00-300-0401
NSN 6240-00-827-5794
NSN 5905-01-163-4299