Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 012-020001R00 found under Case Tool And Accessories by Insitu Inc. The National Stock Number assigned to this part is 5140015894951, and the Federal Supply Class is 5140 Tool And Hardware Boxes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 012-020001R00.