>> Search results for: 639AS3963 NSN Search Results National Stock Number (NSN) Description 1427-01-114-2054, 1427011142054 GUIDANCE AND CONTROL SECTION,GUI 1427-99-950-3157 , 1427999503157 GUIDANCE AND CONTRO 6920-66-135-4144, 6920661354144 GUIDANCE AND CONTRO 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