>> Search results for: FG140D NSN Search Results National Stock Number (NSN) Description 5810-01-651-0135, 5810016510135 COMMUNICATIONS SECURITY MODULE 5810-01-662-0821 , 5810016620821 COMMUNICATIONS SECURITY MODULE 5810-01-670-7177, 5810016707177 COMMUNICATIONS SECURITY MODULE 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