Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7800-057 PIECE 32 found under Screw Machine by General Dynamics Corporation. The National Stock Number assigned to this part is 5305011013313, 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 7800-057 PIECE 32.