MRC:
						A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
					 
					
						General Description:
					
					
						Complete helmet excluding male or female waterproof connectors;  shell nade from fiberglass and polyester resin;  hardware made from stainless steel, chromed brass, polished brass;  control knobs are abs plastic;  lens is lexan;  neck dam is rubatex neoprene;  o-rings is neoprene;  head cushion is nylon and no. 4 ester charcoal;  operating pressure 115-225psi over ambient, optimum 170psi over ambient;  4.5scfm flow requirements