Your search for "FN-TRAN-SX" revealed the following:
Juniper QFX-SFP-1GE-SX 10GB BASE-SX 850nm MMF SFP+ Transceiver
SKU: NSH-9319
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco GLC-SX-MM 1GB BASE-SX 850nm MMF LC SFP Transceiver (Without DOM)
SKU: NSN-0207
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE 453153-001 453577-001 1GB BASE-SX 850nm MMF SFP Transceiver
SKU: NSN-0917
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper EX-SFP-1GE-SX-ET 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSH-6952
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 10051 1GB BASE-SX 850nm MMF SFP Transceiver
SKU: NSN-0783
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-SFP-1GE-SX-ET 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSN-5423
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE J4858C 1GB BASE-SX 850nm LC MMF Optical SFP Transceiver
SKU: NSN-0553
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Nokia 1AB187280063 1GB BASE-SX OE-TRX-GBE 850nm SFP+ Transceiver
SKU: NSN-8705
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 10051H 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSN-7132
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Sumitomo Electric SXP3101NV-F3-M 10GB SR1 LR/LW 1310nm SMF 10km SFP+ Transceiver
SKU: NSB-1748
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days