Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIL-T-5661 TYPE 1 found under Tape Textile by Airborn Inc. The National Stock Number assigned to this part is 8315013837155, and the Federal Supply Class is 8315 Notions And Apparel Findings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MIL-T-5661 TYPE 1.