>> Search results for: 90421001 NSN Search Results National Stock Number (NSN) Description 5945-00-086-8780, 5945000868780 Cancelled -> Replaced by 5945002626002 2010-01-604-6844 , 2010016046844 FIRE DETECTION UNIT 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