Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 508-4-29288-004 found under Guide Electrical Connector by Zarlink Semiconductor. The National Stock Number assigned to this part is 5935000164734, 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 508-4-29288-004.