Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 216-5091 found under Cup Pump by Coleman Engineering Inc. The National Stock Number assigned to this part is 6260001876116, and the Federal Supply Class is 6260 Nonelectrical Lighting Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 216-5091.