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Full Profile NPTF
THREADING ER-NPTF INSL PDY PDX IC

External NPTF
(National Pipe Threads)
Full Profile Laydown
Threading Inserts, for Steam,
Gas and Water Pipes
NUT External right-hand shown
Dimensions Tough 1 Hard
30° 30°

90°
1°47' SCREW
Designation IC TPI (1) INSL PDY PDX IC250 IC908
11ER 14 NPTF .250 14.0 .433 .03 .04 •
16ER 27 NPTF .375 27.0 .649 .03 .03 •
16ER 18 NPTF .375 18.0 .649 .03 .04 •
16ER 14 NPTF .375 14.0 .649 .04 .05 • •
16ER 11.5 NPTF .375 11.5 .649 .04 .06 •
• For Insert Identification System, see pages 694-695 • (National Pipe Threads-Dry Seal) ANSI/ASME B1201-1976 full profile
• For technical information and detailed cutting data, see pages 781-797
(1) Threads per inch
For tools, see pages: C#-SER/L (768) • SER/L (767) • SER/L-JHP (768)

PDX
IR/L-NPTF PDY RE
Internal NPTF
(National Pipe Threads) lNSL
Full Profile Laydown
Threading Inserts, for Steam, IC
Gas and Water Pipes
Internal left-hand shown
NUT Dimensions Tough 1 Hard
30° 30°

90° 1°47' SCREW
Designation IC TPI (1) RE INSL PDY PDX IC228 IC250 IC908
06IR 27 NPTF .157 27.0 .0016 .271 .03 .02 •
08IR 27 NPTF .197 27.0 .0016 .324 .02 .02 •
08IL 18 NPTF .197 18.0 .0024 .324 .02 .03 •
08IR 18 NPTF .197 18.0 .0016 .324 .02 .03 •
11IR 18 NPTF .250 18.0 .0016 .433 .03 .04 •
11IRB 18 NPTF .250 18.0 .0016 .433 .03 .04 •
11IR 14 NPTF .250 14.0 .0016 .649 .03 .04 •
16IR 18 NPTF .375 18.0 .0024 .649 .03 .04 •
16IL 14 NPTF .375 14.0 .0027 .649 .04 .05 •
16IR 14 NPTF .375 14.0 .0016 .649 .04 .05 • •
16IR 11.5 NPTF .375 11.5 .0016 .649 .04 .06 • •
• For Insert Identification System, see pages 694-695 • (National Pipe Threads-Dry seal) ANSI/ASME B1201-1976
• For technical information and detailed cutting data, see pages 781-797
(1) Threads per inch
For tools, see pages: AVC-D-SIR/L (773) • C#-SIR/L (771) • MGSIR/L (111) • PICIN-MGSIR/L (412) • SIR/L (769)

734 ISCAR