Page 79 - D30003

79 Parker Hannifin Corporation
Instrumentation Products Division
Huntsville, AL USA
http://www.parker.com/ipdus
American Standard
Pipe Thread (NPT)
American Standard
Unified Thread (Straight)
60° thread angle • Pitch measured in inches
• Truncation of root and crest are flat
• Taper angle 1°47'
60° thread angle • Pitch measured in inches
• Truncation of root and crest are flat
• Diameter measured in inches
1-1/16"-12"
1 "
(1" -11 1/2")
7/8"-14"
3/4"
(3/4"-14")
9/16"-18"
3/4"-16"
1/2"
(1/2"-14")
1/2"-20"
3/8"
(3/8"-18")
7/16"-20"
1/4"
(1/4"-18")
5/16"-24" 1/8"
(1/8"-27")
NPT Thread Straight Thread
1/16"
(1/16"-27")
1"
7/8 "
3/4 "
5/8 "
1/2 "
3/8 "
5/16"
3/16"
1/4"
1/8 "
1/16"
NPT Thread traight Thread Tubing O.D. Size
American t
Pipe Thread ( )
r
if tr i ht)
D30003 79 5/12/05