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 5905-01-217-7563
NSN 6105-01-206-3919
NSN 5915-01-050-9080
NSN 5965-00-144-2543
NSN 5930-01-391-9397
NSN 5930-01-211-7779
NSN 6610-01-088-5871
NSN 6135-01-052-9634
NSN 5855-01-420-0851
NSN 6145-00-162-7922
NSN 6145-01-172-5630
NSN 5915-01-005-0164