Your search for "A901-RCKMNT-19IN" revealed the following:
Cisco A901-RCKMNT-19IN ASR 901 Series 19
SKU: NSH-7841
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco A901-RCKMNT-19IN ASR 901 Series 19
SKU: NSN-7420
Condition: New
Shipping: Overnight Options
Warranty: 365 days