Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AF250-NX found under Recycler Antifreeze by Kleer Flo Industries Inc. The National Stock Number assigned to this part is 4250013198800, and the Federal Supply Class is 4250 Recycling And Reclamation Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AF250-NX.