>> Search results for: S520M NSN Search Results National Stock Number (NSN) Description 3130-00-159-1478, 3130001591478 BEARING UNIT,BALL 5360-00-291-7131 , 5360002917131 SPRING,HELICAL,COMPRESSION 3130-00-618-6742, 3130006186742 Cancelled -> Replaced by 4130008805993 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