LASCO 28-0517 Galvanized Nipple and Coupling, Right and Left Hand Threaded, 3/4-Inch x 4-Inch NPT. Black iron nipple and coupling. 3/4-Inch X 4-Inch nipple and coupling. Right and left hand threads. NPT / standard pipe thread. Use for gas piping, instead of ground joint union. NPT / standard pipe thread.
LASCO 28-0517 Galvanized Nipple and Coupling, Right and Left Hand Threaded, 3/4-Inch x 4-Inch NPT. Black iron nipple and coupling. 3/4-Inch X 4-Inch nipple and coupling. Right and left hand threads. NPT / standard pipe thread. Use for gas piping, instead of ground joint union. NPT / standard pipe thread.