Your search for "nxa-pac" revealed the following:
Cisco N9K-PAC-650W 650W AC F-B Airflow (Port-Side Intake) Power Supply
SKU: NSB-7038
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco NXA-PDC-930W-PE 930W DC B-F (Port Side Exhaust) Power Supply for N9K
SKU: NSN-3513
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N9K-SC-A Nexus 9000 Series System Controller Switch Module
SKU: NSN-7984
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N9K-PAC-650W-B 650W AC B-F Airflow (Port-Side Exhaust) Power Supply
SKU: NSN-8055
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco N9K-SC-A Nexus 9000 Series System Controller Switch Module
SKU: NSH-6178
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N9K-C9508-FM Nexus 9500 Series Switch Fabric Module
SKU: NSN-2702
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N9K-C9504-FM-E Nexus 9500 Fabric Module w/ 100G Support
SKU: NSN-9764
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N9K-X9564TX 48x 10GB Copper 4x 40GB QSFP+ Switch Line Card
SKU: NSN-2539
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N9K-C9508-FM-E2 Nexus 9500 8x Slot 800Gbps Cloud-Scale Fabric Module
SKU: NSN-0719
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N9K-X9536PQ Nexus 9000 Series 36x 40GB QSFP+ Switch Line Card
SKU: NSN-8788
Condition: New
Shipping: Overnight Options
Warranty: 365 days