2a external thread class right-hand external 0.656" overall length plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series
2a external thread class right-hand external 1.280" overall length plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series
2a external thread class right-hand external 0.563" overall length plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series