Your search for "nc55-2kw-acrv" revealed the following:
NEW Cisco NC55-2KW-ACRV NCS 5500 Series 2000W AC Router Power Supply
SKU: NSN-8963
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 2,349.99
• Only 2 remaining
Call if you need more
Cisco NC55-2KW-ACRV NCS 5500 Series 2000W AC Router Power Supply
SKU: NSB-8489
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 485.99
• Only 2 remaining
Call if you need more