Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BUWEPSDWG2171845 found under Guide Installing To by Pyramid Machine Corp. The National Stock Number assigned to this part is 1398004358084, 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 BUWEPSDWG2171845.