INSIZE 4634-1NB ANSI/ASME B1.20.1 NPT Thread Ring Gauge Size 3-1/2x8 NPT L1 S.L.

Code No : 4634-1NB

Size : 3-1/2x8 NPT L1 S.L.

Based on : ANSI/ASME B1.20.1 (1983)

Traceable to : CNAS