Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 420-4BP-125 found under Connector Plug Elec by Pauluhn Electric Manufacturing Llp. The National Stock Number assigned to this part is 5935013905689, 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 420-4BP-125.