Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GAS 300YTB 0075 found under Gasket by Spence Engineering Co Inc. The National Stock Number assigned to this part is 5330015198104, 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 GAS 300YTB 0075.