Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 93986-991 found under Chamber Precombusti by Bae Systems Land And Armaments L P. The National Stock Number assigned to this part is 2815013022493, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 93986-991.