Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 37N112HCS5Z found under by Mid States Bolt And Screw Co Inc. The National Stock Number assigned to this part is 5305015661772, 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 37N112HCS5Z.