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parameters2:API NC thread Gage
parameters3:API API Numbered Connections
API Numbered Connections (N.C.) working, reference and regional master gages per API specification 7-2 for sizes from 2 to 6-5/8 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard.
NUMBERED CONNECTIONS (N.C.) |
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SIZE |
T.P.I. |
T.P.F. |
THD FORM |
NC10 |
6 |
1-1/2 |
V-0.055R |
NC12 |
6 |
1-1/2 |
V-0.055R |
NC13 |
6 |
1-1/2 |
V-0.055R |
NC16 |
6 |
1-1/2 |
V-0.055R |
NC23 |
4 |
2 |
V-0.038R |
NC26 (2-3/8 I.F.) |
4 |
2 |
V-0.038R |
NC31 (2-7/8 I.F.) |
4 |
2 |
V-0.038R |
NC35 |
4 |
2 |
V-0.038R |
NC38 (3-1/2 I.F.) |
4 |
2 |
V-0.038R |
NC40 (4 FH) |
4 |
2 |
V-0.038R |
NC44 |
4 |
2 |
V-0.038R |
NC46 |
4 |
2 |
V-0.038R |
NC50 (4-1/2 IF) (5 XH) |
4 |
2 |
V-0.038R |
NC56 |
4 |
3 |
V-0.038R |
NC61 |
4 |
3 |
V-0.038R |
NC70 |
4 |
3 |
V-0.038R |
NC77 |
4 |
3 |
V-0.038R |