Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A21570 found under Clamp Cable Electrical Connector by Croname Div Grand Sheet Metal. The National Stock Number assigned to this part is 5935005532868, 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 A21570.