Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SOR75903-001 found under Cable Assemblyspecial Purposee by Msa Inc. The National Stock Number assigned to this part is 5995016788311, 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 SOR75903-001.