Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 993 00239 found under Guard Mechanical Dr by Lister Petter Ltd. The National Stock Number assigned to this part is 3020015460727, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 993 00239.