Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D6-1-12 found under Valve Oil Burner Sh by Puget Sound Commerce Centerinc. The National Stock Number assigned to this part is 4530007854027, 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 D6-1-12.