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 5920-00-916-5514
NSN 5975-01-199-9382
NSN 5998-01-126-2610
NSN 5910-01-423-9485
NSN 6620-01-627-0478
NSN 6145-01-594-2389
NSN 5895-00-034-5679
NSN 5920-01-463-9238
NSN 6150-01-227-5961
NSN 6145-00-269-4271
NSN 5999-01-004-8137
NSN 5990-01-065-0492