Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2137-2D103 PIECE66 found under Mist Extractor by Vitok Engineers Inc. The National Stock Number assigned to this part is 4130010384915, 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 2137-2D103 PIECE66.