Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-A-1491 ITEM 1 TY2 found under Cloth Cheesecloth by General Services Administration. The National Stock Number assigned to this part is 8305002053495, 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 A-A-1491 ITEM 1 TY2.