Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS21919WCJ03 found under Clamp Loop by Selex Es Limited. The National Stock Number assigned to this part is 5340010137424, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AS21919WCJ03.