Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HC4-20P2154 found under Connector Receptacl by Glasseal Products Inc. The National Stock Number assigned to this part is 5935005082171, 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 HC4-20P2154.