Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EX4300-FAN found under Coolerairelectronic Equipment by Juniper Networks Usa Inc. The National Stock Number assigned to this part is 5999016794810, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EX4300-FAN.