>> Search results for: 5159B2MP20 NSN Search Results National Stock Number (NSN) Description 4820-00-622-4290, 4820006224290 VALVE,RELIEF,PRESSURE AND TEMPER 4820-00-614-3369 , 4820006143369 Cancelled -> Replaced by 4820001260372 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