ASTM A106 Grade B Pipe Nipple, TBE Threaded, 3/4 Inch, NPT
1/2 Inch Pipe Nipple, API 5L GR.B, SCH 80, ANSI B36.10, NPT
ASME B16.11 Threaded Nipple, A403 TP304L, 2 IN, SCH 40, NPT
NPT Pipe Nipple, ASTM A312 TP316 SCH 40, DN20 X DN50