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 6240-00-179-5731
NSN 5835-00-756-4366
NSN 4140-01-487-3063
NSN 6145-00-623-7224
NSN 6220-00-216-7284
NSN 6645-01-608-1134
NSN 2925-01-400-2286
NSN 5925-01-546-6824
NSN 5998-00-299-7891
NSN 5910-00-900-3425
NSN 6620-01-415-2307
NSN 5975-01-483-8726