>> Search results for: 524D20 NSN Search Results National Stock Number (NSN) Description 4820-00-820-7659, 4820008207659 VALVE,SAFETY RELIEF 2930-12-136-3281 , 2930121363281 VERSTAERKUNG 2930-12-136-3285, 2930121363285 DUESE 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