1/2 Inch Pipe Nipple, API 5L GR.B, SCH 80, ANSI B36.10, NPT
ANSI B36.10 Pipe Nipple, 1/2 Inch, ASTM A106 GR.B, SCH 160
ASTM A106 Grade B Pipe Nipple, TBE Threaded, 3/4 Inch, NPT
