Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GSC-21-97308-027 found under Tape Sealant Aircraft by W L Gore And Associates Inc. The National Stock Number assigned to this part is 1680016161094, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GSC-21-97308-027.