Your search for "nxa-fan" revealed the following:
Cisco N3K-C3048-FAN-B Nexus 3000 Front-to-Back Airflow (Port Side Intake) Fan
SKU: NSH-8062
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 69.99
• Only 2 remaining
Call if you need more
NEW Juniper EX4300-FAN EX4300 Series Front-to-Back Airflow Switch Fan Module
SKU: NSN-0378
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 76.99
• Only 1 remaining
Call if you need more
Cisco NXA-PAC-350W-PI 350W AC F-B (Port Side Intake) Power Supply for Nexus 9000
SKU: NSH-9003
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 133.99
• Only 2 remaining
Call if you need more
NEW Arista FAN-7012HP-RED ASY-05936-03 DCS-7388-CH 7388X5 High Power Switch Fan
SKU: NSN-8418
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 184.99
• 12 in stock
Call if you need more
Juniper EX4300-FAN-AFI EX4300 Series Back-to-Front Airflow Switch Fan Module
SKU: NSH-4483
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 29.99
• Only 2 remaining
Call if you need more
Cisco NXA-PAC-1200W-PE 1200W AC B-F (Port Side Exhaust) Power Supply for N9K
SKU: NSB-7717
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 104.99
• Only 2 remaining
Call if you need more
Extreme 10945 ExtremeSwitching x620 Front-to-Back Airflow Fan Module
SKU: NSB-0872
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 34.99
• Only 2 remaining
Call if you need more
Cisco N3K-C3064-FAN Back-to-Front Airflow (Port Side Exhaust) Switch Fan Tray
SKU: NSH-3658
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 126.99
• Only 2 remaining
Call if you need more
Juniper QFX5100-FAN-AFO F-B Switch Fan Module for QFX5100 and EX4300 Series
SKU: NSH-6176
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 29.99
• 49 in stock
Call if you need more
Arista FAN-7002H-F Front-to-Back Air (Red) Fan Module for 7260CX
SKU: NSH-7496
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 105.99
• 7 in stock
Call if you need more