>> Search results for: PRV55B0045REV NSN Search Results National Stock Number (NSN) Description 4810-01-649-7833, 4810016497833 SEAT,VALVE 4810-01-649-7839 , 4810016497839 DISK,VALVE 5331-01-649-6083, 5331016496083 O-RING 4820-01-649-9794 , 4820016499794 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