>> Search results for: AN57421 NSN Search Results National Stock Number (NSN) Description 6645-00-241-3280, 6645002413280 Cancelled -> Replaced by 6645005277215 6645-00-811-3882 , 6645008113882 STOPWATCH 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