Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16B1878-3 found under Hinge Assembly by Aerometals Inc. The National Stock Number assigned to this part is 1560011738629, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16B1878-3.