>> Search results for: 1138874949 NSN Search Results National Stock Number (NSN) Description 4820-99-372-9980, 4820993729980 VALVE,SAFETY-RELIEF 5360-99-051-0699 , 5360990510699 SPRING,HELICAL,COMP 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