Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90-8545-07001 found under Screw Drive by Cincinnati Gear Co The. The National Stock Number assigned to this part is 5305014396874, 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 90-8545-07001.