Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 128HM20000-5 found under Fitting Aircraft by Maven Engineering Corporation. The National Stock Number assigned to this part is 1560013054474, 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 128HM20000-5.