>> Search results for: OA237 NSN Search Results National Stock Number (NSN) Description 4820-01-137-8116, 4820011378116 VALVE,SAFETY RELIEF 5120-32-007-2202 , 5120320072202 WRENCH,SPANNER 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