Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WJ98X505 found under Compressor Unit Refrigeration by Trane Div American Standard Inc. The National Stock Number assigned to this part is 4130008917749, 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 WJ98X505.