>> Search results for: TFZU6312X612011120M4N12 NSN Search Results National Stock Number (NSN) Description 4520-01-331-0492, 4520013310492 HEATER,DUCT TYPE,STATIONARY 4520-01-331-8612 , 4520013318612 HEATER,DUCT TYPE,STATIONARY 4520-01-331-8618, 4520013318618 HEATER,DUCT TYPE,STATIONARY 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