Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ERR-6-0378(R-404A found under Refrigerator Electric Portable R by Mgr Equipment Corp. The National Stock Number assigned to this part is 4110005401134, 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 ERR-6-0378(R-404A.