Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PHB-450A found under Refrigerator Mechanical Food by Carter Hoffmann Corp. The National Stock Number assigned to this part is 4110014343689, and the Federal Supply Class is 4110 Refrigeration Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PHB-450A.