Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 110B454-4 found under Polarizing Key Elec by Avionics Specialist Inc. The National Stock Number assigned to this part is 5935015766113, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 110B454-4.