Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 273.739 664 found under Screw Machine by Stn Atlas Elektronik Gmbh. The National Stock Number assigned to this part is 5305121582721, 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 273.739 664.