Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AM-3855 found under Roller Unit Rail Type by Advanced Ground Systems Engineering. The National Stock Number assigned to this part is 3990015947635, 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 AM-3855.