>> Search results for: KIT249T18BB NSN Search Results National Stock Number (NSN) Description 4820-01-256-3623, 4820012563623 PARTS KIT,CHECK VALVE 4820-01-265-3269 , 4820012653269 PARTS KIT,CHECK VALVE 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