>> Search results for: M321072 NSN Search Results National Stock Number (NSN) Description 4720-01-644-7089, 4720016447089 HOSE,AIR DUCT 4720-01-644-5728 , 4720016445728 HOSE,AIR DUCT 4720-01-650-3755, 4720016503755 HOSE,AIR DUCT 4720-01-644-7020 , 4720016447020 HOSE,AIR DUCT 4720-01-650-3773, 4720016503773 HOSE,AIR DUCT 4720-01-644-6447 , 4720016446447 HOSE,AIR DUCT 4720-01-650-3803, 4720016503803 HOSE,AIR DUCT 4720-01-644-6926 , 4720016446926 HOSE,AIR DUCT 4720-01-644-6452, 4720016446452 HOSE,AIR DUCT 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information