Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UM-IDCH-7200-327 found under by United Marine Communications Inc. The National Stock Number assigned to this part is 5830015641693, and the Federal Supply Class is 5830 Intercommunication And Public Address Systems Except Airborne. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like UM-IDCH-7200-327.