Catalogo ABC 54

M Coarse pitch ISO metric thread MF Fine pitch metric thread UNC Unified National cylindrical coarse pitch thread UNF Unified National cylindrical fine pitch thread UNEF Unified National cylindrical extra-fine pitch thread UN Unified National cylindrical thread with 4 - 6 - 8 - 12 - 16 - 20 - 28 threads per inch UNS Unified special cylindrical thread NGO American National threads for gas outlets NGS American National straight thread gas NPS American standard cylindrical pipe thread NPSC American standard cylindrical for pipes and pipe joints NPSF American standard cylindrical for pipes and pressure seal pipe joints (dryseal) NPSH American standard cylindrical for pipes, flexible hose joints, and nipples NPSI American standard cylindrical for pipes and internal threads (dryseal) NPSL American standard cylindrical for pipes and locking lock nuts NPSM American standard cylindrical for pipes and mechanical joints NPT American standard taper pipe thread NPTF American standard taper pipe thread for pipes and pressure seal pipe joints (dry seal) NPTR American standard taper pipe thread for railing joints NPTC American standard taper pipe thread for chlorine gas cylinder valves NPTG American standard taper pipe thread for gas cylinder valves (all gases except chlorine) PTF-SAE Dryseal SAE short dry short taper pipe thread ANPT Aeronautical national taper pipe thread NGT American national Gas taper thread SGT Special gas taper thread ACME-C American trapezoidal thread - self-centering ACME-G American trapezoidal thread - for general purposes N Butt American national standard buttress inch thread NH American national hose thread for flexible hose joints and hydrant hose joints BSW British Standard Whitworth thread BSF British Standard fine pitch thread BSPT Conical Gas thread for British Standard pipes G/BSP Cylindrical Gas thread for British Standard pipes WHIT Whitworth Standard special thread BA British Association standard thread API Conical thread for pipes (American Petroleum Institute)