Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1604-120 found under Cloth Impregnated by Hexcel Corporation. The National Stock Number assigned to this part is 8305012538107, 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 R1604-120.