Thank you for selecting Aerospace Aviation 360 for HS-143B by Nel Frequency Controls Inc under Other Connectors. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like HS-143B. To help us better understand your parts requirements, please fill out an RFQ form for part number HS-143B with your details, and our customer executive will respond to your RFQ in 15 minutes or less.