Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7910-00-685-4242 found under Pad Floor Polishing by National Industries For The Blind. The National Stock Number assigned to this part is 7910006854242, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 7910-00-685-4242.