Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HD-120231-S-MSD-2 found under by Pronorm As Forme Norges. The National Stock Number assigned to this part is 5930014543827, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HD-120231-S-MSD-2.