>> Search results for: 9170211 NSN Search Results National Stock Number (NSN) Description 5990-00-105-7831, 5990001057831 Cancelled -> Replaced by 5990009463315 5980-01-412-6247 , 5980014126247 COUPLER,OPTOELECTRONIC 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