Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A8238R found under Fitting Rear Spreader by Derco Aerospace Inc. The National Stock Number assigned to this part is 1680000193903, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A8238R.