NPSC Pipe Thread ANSI B 1.20.1-1983 (R1992)
- Main page
- Help
- Specifications
- ISO Coarse Thread (metric) DIN 13-1
- ISO Fine Thread I (metric) DIN 13-2
- ISO Fine Thread II (metric) DIN 13-3
- ISO Fine Thread III (metric) DIN 13-4
- ISO Fine Thread IV (metric) DIN 13-5
- ISO Fine Thread V (metric) DIN 13-6
- ISO Fine Thread VI (metric) DIN 13-7
- ISO Fine Thread VII (metric) DIN 13-8
- ISO Fine Thread VIII (metric) DIN 13-9
- ISO Fine Thread IX (metric) DIN 13-10
- ISO Fine Thread X (metric) DIN 13-11
- ISO Thread (metric)
DIN 14-2 - Knuckle Thread DIN 405
- Knuckle Thread
DIN 20400 - Buttress Fine Thread DIN 514
- Buttress Coarse Thread DIN 513
- Buttress Thread 45°
DIN 2781 - Trapezoidal Fine Thread DIN 103
- Trapezoidal Coarse Thread DIN 103
- Valve Thread DIN 7756
- Cycle Thread DIN 79012
- PG Thread DIN 40430
- Pipe Thread DIN 158
- Dairy Thread DIN 11851
- Edison Thread
DIN 40400 - Glass Thread DIN 40450
- Knuckle Thread for glass containers DIN 168
- Threads for plastic containers DIN 6063
- Camera mount Thread
- S. & H. Thread
- Sewing-machine Thread
- C. E. I. Thread
- Löwenherz Thread
- Bodmer Thread
- French Thread
- VDI Thread
- Ducommun Steinle Thread
- Hamann Patronen Thread
- Thury Thread
- Whitworth Instrument Thread
- Whitworth Fine DIN 239
- Whitworth Fine DIN 240
- Whitworth Fine
DIN LON 282 - Whitworth Fine
DIN LON special - Whitworth Fine
DIN LON 286 - Whitworth Fine
DIN LON 287 - S. J. Thread
- Sellers Thread
- UNC Thread (USA)
- UNEF Thread (USA)
- UNF Thread (USA)
- UNM Thread (USA)
- UNR Thread (USA)
- UNS Thread (USA)
- 8-UN Thread (USA)
- 12-UN Thread (USA)
- 16-UN Thread (USA)
- 20-UN Thread (USA)
- NPT Thread (USA)
- NPTF Thread (USA)
- ► NPSC Thread (USA)
- NPSF Thread (USA)
- NPSL Thread (USA)
- NPSM Thread (USA)
- ACME Thread (USA)
- STUB ACME Thread (USA)
- Sharp V Thread (USA)
- ME Model Engineer Thread (GB)
- BA British Association (GB)
- BSB British Standard Brass (GB)
- BSF Whitworth Fine Thread (GB)
- BSW Whitworth Coarse Thread (GB)
- BSPP Whitworth Pipe Thread (GB)
- BSPT Tapered Whitworth Pipe Thread (GB)
- Conversion Inch-Fractions to mm
- Conversion TPI to pitch mm
- Drill bit sizes
- Download
- Imprint
- Sitemap
The parallel pipe thread National Pipe Straight Coupling is combined with the tapered fitting threa National Pipe Taper using a sealant. The flank angle is 60°, the profile was originated by William Sellers.
Advertising:
| Nominal Diameter | Major Diameter mm | Major Diameter Inch | Tapping Drill Size mm | TPI | Pitch mm |
| 1/8" - 27 NPSC | 10.034 | 0.395 | 8.636 | 27 | 0.941 |
| 1/4" - 18 NPSC | 13.329 | 0.525 | 11.227 | 18 | 1.411 |
| 3/8" - 18 NPSC | 16.768 | 0.660 | 14.656 | 18 | 1.411 |
| 1/2" - 14 NPSC | 20.888 | 0.822 | 18.161 | 14 | 1.814 |
| 3/4" - 14 NPSC | 26.235 | 1.033 | 23.495 | 14 | 1.814 |
| 1" - 11 1/2 NPSC | 32.848 | 1.293 | 29.489 | 11.5 | 2.209 |
| 1 1/4" - 11 1/2 NPSC | 41.603 | 1.638 | 38.252 | 11.5 | 2.209 |
| 1 1/2" - 11 1/2 NPSC | 47.674 | 1.877 | 44.323 | 11.5 | 2.209 |
| 2" - 11 1/2 NPSC | 59.711 | 2.351 | 56.363 | 11.5 | 2.209 |
| 2 1/2" - 8 NPSC | 72.214 | 2.843 | 67.310 | 8 | 3.175 |
| 3" - 8 NPSC | 88.125 | 3.469 | 83.236 | 8 | 3.175 |
| 3 1/2" - 8 NPSC | 100.832 | 4.970 | 95.936 | 8 | 3.175 |
| 4" - 8 NPSC | 113.489 | 4.468 | 108.585 | 8 | 3.175 |
 | |||||
|
Advertising: |
|||||
Advertising: