|
|
 |
|
|
|
NPSM Straight Pipe Thread Gage Pitch Diameters
|
|
Size
|
GO Plug Gage Class 2B
|
NO GO Plug Gage Class 2B
|
GO Ring Gage Class 2A
|
NO GO Ring Gage Class 2A
|
|
1/8-27
|
.3736"
|
.3783"
|
.3725"
|
.3689"
|
|
1/4-18
|
.4916"
|
.4974"
|
.4903"
|
.4859"
|
|
3/8-18
|
.6270"
|
.6329"
|
.6256"
|
.6211"
|
|
1/2-14
|
.7784"
|
.7851"
|
.7769"
|
.7718"
|
|
3/4-14
|
.9889"
|
.9958"
|
.9873"
|
.9820"
|
|
1-11 1/2
|
1.2386"
|
1.2462"
|
1.2369"
|
1.2311"
|
|
1 1/4-11 1/2
|
1.5834"
|
1.5912"
|
1.5816"
|
1.5756"
|
|
1 1/2-11 1/2
|
1.8223"
|
1.8302"
|
1.8205"
|
1.8144"
|
|
2-11 1/2
|
2.2963"
|
2.3044"
|
2.2944"
|
2.2882"
|
|
2 1/2-8
|
2.7622"
|
2.7720"
|
2.7600"
|
2.7526"
|
|
3-8
|
3.3885"
|
3.3984"
|
3.3862"
|
3.3786"
|
|
|
© 2007 Great Lakes Gage Sales, Inc.
Site Map
