>> Search results for: 52234042 NSN Search Results National Stock Number (NSN) Description 4210-01-278-3710, 4210012783710 HEAD,SPRINKLER,FIRE PROTECTION 4730-01-312-1640 , 4730013121640 Cancelled -> Replaced by 4210014616688 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