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 6320-01-176-8367
NSN 5975-00-111-3208
NSN 6110-00-989-7474
NSN 5990-01-507-7495
NSN 5925-01-314-9522
NSN 5925-01-391-4986
NSN 5930-01-095-0276
NSN 5985-00-204-6537
NSN 5975-00-804-1489
NSN 5950-00-060-3135
NSN 5990-01-059-0947
NSN 6130-01-502-4284