Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AERTRIM 12DS 13921 645HTE 54 found under Cloth Coated by Schneller Llc. The National Stock Number assigned to this part is 8305015183936, and the Federal Supply Class is 8305 Textile Fabrics. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AERTRIM 12DS 13921 645HTE 54.