>> Search results for: 139C6556 NSN Search Results National Stock Number (NSN) Description 1005-00-280-0918, 1005002800918 SPROCKET ASSEMBLY,E 1005-00-280-0918 , 1005002800918 SPROCKET ASSEMBLY,E 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