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 6145-01-359-1657
NSN 5975-01-210-8130
NSN 6110-01-609-9938
NSN 2925-01-222-7764
NSN 5990-00-085-4299
NSN 5999-01-564-0224
NSN 6645-01-388-0391
NSN 2925-01-595-4345
NSN 5895-00-031-3591
NSN 2925-01-519-3221
NSN 6645-01-545-6853
NSN 6320-01-457-2805