MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Steel, federal standard 66, aisi 301/sae 30301 body or steel, federal standard 66, comp 302 body or steel, federal standard 66, comp 302, 303, or 304 body or steel, federal standard 66, comp 304 body or steel, federal standard 66, comp 302 pin or steel, federal standard 66, comp 304 pin or steel, federal standard 66, comp 305 pin or steel, federal standard 66, comp 316 pin