Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AM4285 found under Pin Shoulder Headed by New Hampshire Ball Bearings Inc. The National Stock Number assigned to this part is 5315014192881, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AM4285.