Your search for "j9151a" revealed the following:
NEW HPE J9151A 10GB BASE-LR 1310nm Long Reach LC SMF SFP+ Transceiver
SKU: NSN-6678
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 148.99
• 32 in stock
Call if you need more
HPE J9151A 10GB BASE-LR 1310nm Long Reach SMF LC SFP+ Transceiver
SKU: NSH-4872
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 35.99
• 99 in stock
Call if you need more