Hubbell NHC1022 Aluminum Cord Con 1/2″ NPT Hub Cable Gland .25-.375″ Free Ship Catalog ID:NHC1022. NPT hub sizes from ¼" to 3" in straight male end, 90°, 45°, female and underground feed connectors. They are available in your choice of aluminum, plated steel, nylon and stainless steel. byJuly 3, 2026Last Updated on: July 4, 2026