SERIES 231, 232 — for NPSM, NPSL, NPSC, NPSH Screw Thread

• Conformed standard: ANSI/ASME B1.20, FED-STD-H28/7
• Left hand available upon request.        
• Double end (GO+NG) plug gage with handle (Red-marked NG side).            
• Packing in individual plastic box or carton. 
• Order No. Example: Plug set: 231-1/16-27NPSM   (231-Nominal size)
                                Ring gage: 232-1/8-27NPSM, GO   (232-Nominal size, type: GO or NO GO)





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