Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DE1-10SQ found under Contact Electrical by Insinger Machine Company The. The National Stock Number assigned to this part is 5999011662750, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DE1-10SQ.