Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS04-13 found under Screw Close Tolerance by Avibank Mfg Inc. The National Stock Number assigned to this part is 5305000609478, 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 AS04-13.