MSS SP 43 Type A Stub End, ASTM A403 WP316, WP316L, 4 Inch
ASME B16.9 Long Stub End, A403 TP304, 4 Inch, DN100, SCH 40S
Stainless Steel Stub Ends, ASTM A403 WP316/316L, 4 Inch, BW