Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4G12042-102A found under Bracket Assembly by Duncan Industries Inc. The National Stock Number assigned to this part is 1620001921994, and the Federal Supply Class is 1620 Aircraft Landing Gear Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4G12042-102A.