Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D-59005 found under Screw Adjusting Val by O C Keckley Company. The National Stock Number assigned to this part is 5305012143880, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D-59005.