Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 665134 found under Ring Piston by Allis Chalmers Corp. The National Stock Number assigned to this part is 2410002317084, and the Federal Supply Class is 2410 Tractor Full Tracked Low Speed. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 665134.