Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0404-001 found under Oven Electrical Electronic Compo by Holt Instrument Laboratories Llc. The National Stock Number assigned to this part is 5955009116953, and the Federal Supply Class is 5955 Oscillators And Piezoelectric Crystals. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0404-001.