Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 619 20 AA B0 1 found under Adapter Socket Plug by Cooper Crouse Hinds Llc. The National Stock Number assigned to this part is 5935013338726, 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 619 20 AA B0 1.