Your search for "fn-tran-sx" revealed the following:
NEW Avaya AA1419048-E6 1GB BASE-SX 850nm LC SFP Transceiver
SKU: NSN-9808
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• 6 in stock
Call if you need more
Sumitomo Electric SXP3101NV-F4-M LC 1310nm 10GB SR1 LR/LW Optical Transceiver
SKU: NSB-7080
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 40 in stock
Call if you need more
Nortel NTTP81BA-03 10GB Base-LR/LW 1310nm SXP3101NV-N2 XFP Transceiver
SKU: NSB-8820
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 69.99
• 9 in stock
Call if you need more
Fortinet FN-TRAN-SX 1GB BASE-SX 850nm 500m MMF LC SFP Transceiver
SKU: NSB-1533
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FN-TRAN-LX 1GB BASE-LX 1310nm LC 10km SMF SFP Transceiver
SKU: NSN-1324
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FN-TRAN-SFP+SR 10GB BASE-SR 850nm MMF LC SFP+ Transceiver
SKU: NSB-1542
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Fortinet FN-TRAN-SFP+LR 10GB BASE-LR 1310nm SMF LC SFP+ Transceiver
SKU: NSB-1546
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell 407-BBOR 1GB BASE-SX 850nm Short Haul MMF 63GGJ SFP Transceiver
SKU: NSH-7011
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Arista SFP-1G-LX 1GB BASE-LX 1310nm SMF SFP Transceiver
SKU: NSH-8999
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper RX-550M-SFP 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSN-7095
Condition: New
Shipping: Overnight Options
Warranty: 365 days