Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 46B-004053-319 found under Switch Sensitive by Pro Quip Inc. The National Stock Number assigned to this part is 5930015557795, 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 46B-004053-319.