Part JD212A is compatible in the following Models:

HPE FlexNetwork 7500 Switch Series

HPE A7503 Switch Chassis - JD240B
HPE 7503 Switch Chassis - JD240C
HPE 7503 Swch w/48p GT 2p 10G 384Gbps MPU - JG507A

HPE Switch Fan Assemblies

HPE A7503 Spare Fan Assembly - JD212A