>> Search results for: 57AV4 NSN Search Results National Stock Number (NSN) Description 4940-01-018-0332, 4940010180332 TEST UNIT,CONTROL 4940-01-018-0332 , 4940010180332 TEST UNIT,CONTROL 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