>> Search results for: 21484400 NSN Search Results National Stock Number (NSN) Description 4730-01-478-4197, 4730014784197 PLUG,TUBE FITTING,THREADED 4820-01-478-9240 , 4820014789240 VALVE ASSEMBLY,MANIFOLD 4730-01-390-4518, 4730013904518 COUPLING,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