Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GS10A3-5-5 found under Sleeve Seal Coupler by Kirkhill Ta Co. The National Stock Number assigned to this part is 5330000310691, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GS10A3-5-5.