Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M20031-1 found under Wiring Harness Bran by Mancraft Industries Inc. The National Stock Number assigned to this part is 5995009097342, and the Federal Supply Class is 5995 Cable Cord And Wire Assemblies Communication Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M20031-1.