3a external thread class right-hand external 0.550" overall length 20 external thread quantity per inch lubricant surface treated plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unjs external thread series
3a external thread class right-hand external 0.437" overall length 24 external thread quantity per inch lubricant surface treated plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unjs external thread series