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NPT Thread Ring Gauge
NPT thread ring gaugeNPT thread ring gage
conform:
FED-STD-H28/7
| Gage Code | Pitch(mm) | Gage Code | Pitch(mm) |
|---|---|---|---|
| 1/16-27NPT | 0.914 | 1 1/4-11.5NPT | 2.209 |
| 1/8-27NPT | 0.914 | 1 1/2-11.5NPT | 2.209 |
| 1/4-18NPT | 1.411 | 2-11.5NPT | 2.209 |
| 3/8-18NPT | 1.411 | 2 1/2-8NPT | 3.175 |
| 1/2-14NPT | 1.814 | 3-8NPT | 3.175 |
| 3/4-14NPT | 1.814 | . . . . . . | . . . . . . |
| 1-11.5NPT | 2.209 | 6-8NPT | 3.175 |
| The taper of NPT thread ring gauge: 1:16. | |||
| Gage Code | Pitch(mm) | Gage Code | Pitch(mm) |
|---|---|---|---|
| 1/16-27NPTF | 0.914 | 1 1/4-11.5NPTF | 2.209 |
| 1/8-27NPTF | 0.914 | 1 1/2-11.5NPTF | 2.209 |
| 1/4-18NPTF | 1.411 | 2-11.5NPTF | 2.209 |
| 3/8-18NPTF | 1.411 | 2 1/2-8NPTF | 3.175 |
| 1/2-14NPTF | 1.814 | 3-8NPTF | 3.175 |
| 3/4-14NPTF | 1.814 | . . . . . . | . . . . . . |
| 1-11.5NPTF | 2.209 | 6-8NPTF | 3.175 |
| The taper of NPTF thread ring gauge: 1:16. | |||
Reference hyperlink: NPT thread plug gauge.