Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6504848 found under Nut Assembly Regula by Allison Transmission Holdings Inc. The National Stock Number assigned to this part is 1560008186992, 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 6504848.