Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 040DH-S0401211 ITEM NO. 24 found under Screw Cap Hexagon H by Cleveland Gear Company Inc. The National Stock Number assigned to this part is 5305014426220, 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 040DH-S0401211 ITEM NO. 24.