>> Search results for: CATS61 NSN Search Results National Stock Number (NSN) Description 4720-00-289-4551, 4720002894551 HOSE,AIR DUCT 4720-00-289-4557 , 4720002894557 HOSE,AIR DUCT 6685-00-526-5461, 6685005265461 MANOMETER,VERTICAL TUBE 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