Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21C902G003 found under Wiring Harness Branched by Noel Smyser Engineering Corp. The National Stock Number assigned to this part is 5995007632405, 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 21C902G003.