Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A5629-OS REF 6 found under Relay Electromagnet by Hotstart Inc. The National Stock Number assigned to this part is 5945015239579, 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 A5629-OS REF 6.