Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TRS-3648 found under Loading Plate by Aar Manufacturing Inc. The National Stock Number assigned to this part is 3990001858375, and the Federal Supply Class is 3990 Miscellaneous Materials Handling Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TRS-3648.