Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 453-004 found under Ripcord Release Electronic Test by L J Engineering Inc. The National Stock Number assigned to this part is 1670014792370, and the Federal Supply Class is 1670 Parachutes Aerial Pick Up Delivery Recovery Systems And Cargo Tie Down Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 453-004.