Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 985400E60004-5 found under Block Arm Latch by Thomson Training And Simulation Inc. The National Stock Number assigned to this part is 6930000042728, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 985400E60004-5.