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 5905-00-814-9581
NSN 5990-00-911-5856
NSN 5925-01-463-0305
NSN 5915-01-172-4298
NSN 6645-00-515-6148
NSN 6145-01-387-9473
NSN 5950-01-179-8800
NSN 5905-01-122-7556
NSN 5950-01-463-4331
NSN 5855-00-256-5562
NSN 6130-01-315-2428
NSN 5998-01-096-3769