Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C4524-7645-1 found under Filter Element Air Conditioning by Trane Us Inc. The National Stock Number assigned to this part is 4130001410125, 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 C4524-7645-1.