Thank you for selecting Aerospace Aviation 360 for 1HM19 by Honeywell Sensing And Control under Electromechanical Switches. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like 1HM19. To help us better understand your parts requirements, please fill out an RFQ form for part number 1HM19 with your details, and our customer executive will respond to your RFQ in 15 minutes or less.