>> Search results for: 158PL5052 NSN Search Results National Stock Number (NSN) Description 4820-01-477-2449, 4820014772449 VALVE,SAFETY RELIEF 4820-01-550-7997 , 4820015507997 VALVE,SAFETY RELIEF 4820-01-620-0074, 4820016200074 VALVE,PRESSURE EQUALIZING,GASEOU 4820-01-343-7284 , 4820013437284 VALVE,RELIEF,PRESSURE AND TEMPER 4820-01-583-0539, 4820015830539 VALVE,SAFETY RELIEF 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