Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS5267C1-0156 found under Seal Nonmetallic Special Shaped by Accurate Elastomer Products. The National Stock Number assigned to this part is 5330015291025, 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 HS5267C1-0156.