Your search for "juniper mx240" revealed the following:
Juniper MX2K-MPC11E MX2000 Series 40x 400GB MultiRate Router Line Card
SKU: NSH-9748
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper MPC5E-40G10G-IRB MX2000 Series 6x 40GB QSFP+ 24x 10GB SFP+ Line Card
SKU: NSH-8689
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper MX-MPC1-3D-Q MX MPC1 w/ per-IFL HQoS 128K Queues Router Line Card
SKU: NSH-5653
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper MX-MPC2-3D-EQ MX Series MPC2 w/ per-IFL HQoS Router Line Card
SKU: NSH-4748
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper MIC-3D-4COC3-1COC12-CE Circuit Emulation Router Module w/ SFP
SKU: NSB-0237
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days