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 4140-01-570-5784
NSN 6320-00-688-9983
NSN 6685-00-925-2862
NSN 6645-01-561-5930
NSN 5975-00-093-5527
NSN 5945-01-649-0011
NSN 6320-01-436-9228
NSN 5905-01-041-3313
NSN 6610-01-364-0294
NSN 6220-00-248-5511
NSN 5945-00-117-3520
NSN 5930-01-359-8421