Your search for "FN-TRAN-LX" revealed the following:
Cisco GLC-FE-100LX-RGD 100Mbps BASE-LX10 SMF Rugged SFP Transceiver
SKU: NSH-0352
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper RX-10KM-SFP 1GB BASE-LX 1310nm SMF SFP Transceiver
SKU: NSN-6598
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JNP-QSFP-40G-LX4 40GB BASE-LX4 1310nm MMF QSFP+ Transceiver
SKU: NSN-1716
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Proline EX-SFP-1GE-LX-PRO 1GB BASE-LR SMF SFP Transceiver
SKU: NSB-0616
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 10052 1GB BASE-LX 1310nm LC SMF SFP Transceiver
SKU: NSN-0711
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Extreme 10052H 1GB BASE-LX 1310nm SMF LC SFP Transceiver
SKU: NSB-3473
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Axiom for Cisco Meraki MA-SFP-1GB-LX10-AX 1GB BASE-LX10 SFP Transceiver
SKU: NSB-9876
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper EX-SFP-1GE-LX40K 1GB BASE-LX 1310nm SMF SFP Transceiver
SKU: NSH-4932
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days