Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3H1234-10 found under Alarm Monitor by L 3 Communications Integrated. The National Stock Number assigned to this part is 6340015533324, and the Federal Supply Class is 6340 Aircraft Alarm And Signal Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3H1234-10.