MRC:
						A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
					 
					
						General Description:
					
					
						Metal components made from 17-4ph or 15-5ph stainless steel which is heat treated to 160, 000 psi;  elastomer is made of rubber;  consists of a molded core,  apu brackets,  cover plate,  and outer housing which attaches to the aft fuselage structure through struts;  designed to minimize noise transmission from the apu into the passenger cabin,  limit shock loads from the airframe,  and limit deflection of the apu;  forward left isolator