>> Search results for: 3304FSVFR NSN Search Results National Stock Number (NSN) Description 4940-01-491-6531, 4940014916531 LEAK DETECTOR,REFRIGERANT GAS 6665-01-536-9307 , 6665015369307 Cancelled -> Replaced by 4940014916531 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