Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5J1044B found under Jack Telephone by Switchcraft Inc. The National Stock Number assigned to this part is 5935002843921, 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 5J1044B.