Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 600-2 found under Lapping Machine Metalworking Hig by John Crane Inc. The National Stock Number assigned to this part is 3419011161953, and the Federal Supply Class is 3419 Miscellaneous Machine Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 600-2.