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 5990-01-121-1175
NSN 5950-00-135-3963
NSN 5905-00-142-4698
NSN 6150-00-284-9133
NSN 6685-01-101-6572
NSN 5985-01-361-6709
NSN 5930-01-553-8419
NSN 5985-01-621-0836
NSN 5930-01-157-7846
NSN 2925-01-025-0082
NSN 5930-01-098-1146
NSN 5920-01-310-8120