>> Search results for: 40C437AEL107 NSN Search Results National Stock Number (NSN) Description 5815-01-300-3036, 5815013003036 TELETYPEWRITER SWITCHBOARD GROUP 5815-21-891-8124 , 5815218918124 CONTROLLER 5815-01-300-3036, 5815013003036 TELETYPEWRITER SWITCHBOARD GROUP 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