Your search for "finisar fclf" revealed the following:

NEW Cisco N9K-X9464PX 48x 10GB SFP+ 4x 40GB QSFP+ Switch Line Card

SKU: NSN-2422
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MPC-3D-16XGE-SFPP-R-B MX Series 16x 10GB SFP+ Router Line Card

SKU: NSN-3360
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper PTX10K-LC1101 PTX 10000 Series 30x 100G QSFP28 Router Line Card

SKU: NSH-9738
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper PTX10K-LC1102 PTX 10000 Series 36x 40G QSFP+ Router Line Card

SKU: NSN-4158
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE Aruba R0X39B CX 6400 48x 1GB RJ45 4x 1GB SFP56 Switch Line Card

SKU: NSN-9132
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco A9K-48X10GE-1G-TR 48x 10GB SFP+ (Transport Optimized) Router Line Card

SKU: NSH-8639
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MX-MPC1E-3D-R-B 5G Universal Routing Platform Interface Line Card

SKU: NSN-2070
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco A9K-48X10GE-1G-SE 48x 10GB SFP+ (Service Edge) Router Line Card

SKU: NSN-6644
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper DPCE-R-40GE-SFP 40x 1GB SFP Enhanced Services Router Line Card

SKU: NSN-1593
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7500E-12CM-LC 7500E Series 12x 100GB MTP/MPO Switch Line Card

SKU: NSN-9209
Condition: New
Shipping: Overnight Options
Warranty: 365 days