Correlation table class N
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Correlation table / Imperial sizes - metric / Tolerance class N |
| NOMINAL DIA. |
CLASS "N" |
| |
Deviation (µm) |
Deviation (in) |
DIA. (mm) |
DIA. (in) |
| IN |
mm |
upper |
lower |
upper |
lower |
MAX |
MIN |
MAX |
MIN |
| 1/4" |
6,35 |
0 |
-5 |
0 |
-0,0002 |
6,350 |
6,345 |
0,250 |
0,2498 |
| 3/8" |
9,525 |
0 |
-5 |
0 |
-0,0002 |
9,525 |
9,520 |
0,375 |
0,3748 |
| 1/2" |
12,7 |
0 |
-5 |
0 |
-0,0002 |
12,700 |
12,695 |
0,500 |
0,4998 |
| 5/8" |
15,875 |
0 |
-5 |
0 |
-0,0002 |
15,875 |
15,870 |
0,625 |
0,6248 |
| 3/4" |
19,05 |
0 |
-5 |
0 |
-0,0002 |
19,050 |
19,045 |
0,750 |
0,7498 |
| 7/8" |
22,225 |
0 |
-5 |
0 |
-0,0002 |
22,225 |
22,220 |
0,875 |
0,8748 |
| 1" |
25,4 |
0 |
-5 |
0 |
-0,0002 |
25,400 |
25,395 |
1,000 |
0,9998 |
| 1-1/16" |
26,9875 |
0 |
-5 |
0 |
-0,0002 |
26,988 |
26,983 |
1,063 |
1,0623 |
| 1-1/8" |
28,575 |
0 |
-5 |
0 |
-0,0002 |
28,575 |
28,570 |
1,125 |
1,1248 |
| 1-1/4" |
31,75 |
0 |
-5 |
0 |
-0,0002 |
31,750 |
31,745 |
1,250 |
1,2498 |
| 1-3/8" |
34,925 |
0 |
-8 |
0 |
-0,0003 |
34,925 |
34,917 |
1,375 |
1,3747 |
| 1-1/2" |
38,1 |
0 |
-8 |
0 |
-0,0003 |
38,100 |
38,092 |
1,500 |
1,4997 |
| 1-5/8" |
41,275 |
0 |
-8 |
0 |
-0,0003 |
41,275 |
41,267 |
1,625 |
1,6247 |
| 1-3/4" |
44,45 |
0 |
-8 |
0 |
-0,0003 |
44,450 |
44,442 |
1,750 |
1,7497 |
| 2" |
50,8 |
0 |
-8 |
0 |
-0,0003 |
50,800 |
50,792 |
2,000 |
1,9997 |
| 2-1/8" |
53,975 |
0 |
-10 |
0 |
-0,0004 |
53,975 |
53,965 |
2,125 |
2,1246 |
| 2-1/4" |
57,15 |
0 |
-10 |
0 |
-0,0004 |
57,150 |
57,140 |
2,250 |
2,2496 |
| 2-3/8" |
60,325 |
0 |
-10 |
0 |
-0,0004 |
60,325 |
60,315 |
2,375 |
2,3746 |
| 2-1/2" |
63,5 |
0 |
-10 |
0 |
-0,0004 |
63,500 |
63,490 |
2,500 |
2,4996 |
| 2-5/8" |
66,67 |
0 |
-10 |
0 |
-0,0004 |
66,670 |
66,660 |
2,625 |
2,6246 |
| 2-3/4" |
69,85 |
0 |
-10 |
0 |
-0,0004 |
69,850 |
69,840 |
2,750 |
2,7496 |
| 3" |
76,2 |
0 |
-10 |
0 |
-0,0004 |
76,200 |
76,190 |
3,000 |
2,9996 |
