Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HRCZ1637M found under Socket Plug In Elec by Armel Electronics Inc. The National Stock Number assigned to this part is 5935009553404, 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 HRCZ1637M.