Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HX15M1 found under Chiller Water Refrigerating by Marshall Engineered Products Co. The National Stock Number assigned to this part is 4130003520534, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HX15M1.