Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HDD4SE2H03 found under Relay Special by Deutsch Uk. The National Stock Number assigned to this part is 5945000081083, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HDD4SE2H03.