Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 939-001553 found under Adapterconnector by Logitech Inc. The National Stock Number assigned to this part is 5935016900225, 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 939-001553.