Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 123BM40328-602 found under Fitting Assy by G A Richards And Co Inc. The National Stock Number assigned to this part is 1560012117303, 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 123BM40328-602.