Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16W253-8 found under Fitting Structural Component Air by M7 Aerospace Llc. The National Stock Number assigned to this part is 1560010422077, 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 16W253-8.