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 6650-01-578-5519
NSN 6145-00-918-3187
NSN 6685-01-483-1079
NSN 6320-01-267-5117
NSN 5990-01-251-0234
NSN 5925-01-634-0664
NSN 5935-00-639-1382
NSN 5975-00-761-5602
NSN 5835-01-342-2654
NSN 5996-00-213-7121
NSN 4140-01-527-2624
NSN 6645-00-963-9491