Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 444 32NB4 44405SET 17PSIGDECR found under Switch Pressure by Detroit Switch Corp. The National Stock Number assigned to this part is 5930014247447, 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 444 32NB4 44405SET 17PSIGDECR.