Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8-2-1183D1REV20 found under by Darex Corp. The National Stock Number assigned to this part is 4470001439332, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8-2-1183D1REV20.