Your search for "nxa-fan" revealed the following:
NEW Cisco NXA-PAC-2KW-PE 2000W AC Back-to-Front Airflow Switch Power Supply
SKU: NSN-4651
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JNP-FAN-1RU MX Series Router Fan Tray for MX204
SKU: NSN-0739
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco NXA-PAC-1100W-PI2 1100W AC Front-to-Back Airflow Switch Power Supply
SKU: NSH-8373
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper FFANTRAY-MX240-HC MX240 Series Enhanced Router Fan Tray
SKU: NSB-4300
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco FAN-T3-F Catalyst 3850 B-F Airflow Switch Fan Module for the 3850-48XS
SKU: NSN-6869
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX5100-96S-FANAFO Front-to-Back Airflow Switch Fan Module
SKU: NSH-9449
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco FAN-T3-F Catalyst 3850 B-F Airflow Switch Fan Module for the 3850-48XS
SKU: NSH-5696
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper JNP10002-FAN1 QFX10002 Series Front-to-Back Airflow Switch Fan
SKU: NSB-5043
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX520048Y-FAN-AI QFX5200 Series Back-to-Front Airflow Switch Fan Module
SKU: NSB-5048
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
nVidia Mellanox MTDF-FAN-A CS7500 Series Leaf Side Fan Unit
SKU: NSB-1012
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days