Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 32-83231-41 found under Insulation Duct Aircraft by S I T Corporation. The National Stock Number assigned to this part is 1560008598644, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 32-83231-41.