Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D01859 found under Gagescrew Pitch by Colts Manufacturing Company Llc Dba Colt. The National Stock Number assigned to this part is 5210016609283, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D01859.