Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1001021-SP found under Cover Electrical Connector by Optics 1 Inc. The National Stock Number assigned to this part is 5935016721861, 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 1001021-SP.