>> Search results for: M44556 NSN Search Results National Stock Number (NSN) Description 5120-00-507-0678, 5120005070678 Cancelled -> Replaced by 5120008632517 5120-00-863-2529 , 5120008632529 ADAPTER,HOT LINE ST 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