>> Search results for: CY991 NSN Search Results National Stock Number (NSN) Description 5315-12-156-4665, 5315121564665 PIN,SPRING 5840-00-545-8240 , 5840005458240 Cancelled -> Replaced by 5840006006065 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