Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RFN 8006 found under Locking Ring by Ringfeder Power Transmission Usa. The National Stock Number assigned to this part is 5340011460979, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RFN 8006.