Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J1121A-004-00 ITEM 3 found under Transmitter Temperature Electric by Price Engineering Company Inc. The National Stock Number assigned to this part is 6685015503298, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J1121A-004-00 ITEM 3.