3175 Series
Male Stud Couplings
Hexagonal
BSPT and NPT Thread
Dimensions
Part No.
O.D.
C
F1
F2
H
K
Kg.
31750410
5/32
R1/8
.39
.12
.37
.43
.005
31750411
5/32
NPT1/8
.43
.12
.33
.47
.006
31750413
5/32
R1/4
.55
.12
.26
.59
.012
31750414
5/32
NPT1/4
.55
.12
.28
.59
.014
31750810
5/16
R1/8
.51
.2
.79
.55
.011
31750811
5/16
NPT1/8
.51
.2
.79
.55
.012
31750813
5/16
R1/4
.55
.24
.67
.59
.014
31750814
5/16
NPT1/4
.55
.24
.66
.59
.015
31750817
5/16
R3/8
.67
.24
.51
.73
.021
31750818
5/16
NPT3/8
.71
.24
.46
.77
.024
31750821
5/16
R1/2
.83
.24
.47
.91
.04
31755308
1/8
NPT1/16
.39
.08
.41
.43
.007
31755310
1/8
R1/8
.43
.12
.33
.47
.005
31755311
1/8
NPT1/8
.43
.08
.28
.47
.007
31755314
1/8
NPT1/4
.55
.08
.32
.59
.016
31755510
3/16
R1/8
.44
.12
.61
.51
.009
31755511
3/16
NPT1/8
.44
.12
.61
.51
.014
31755513
3/16
R1/4
.56
.16
.59
.65
.02
31755514
3/16
NPT1/4
.56
.16
.59
.65
.028
31755610
1/4
R1/8
.43
.16
.47
.47
.006
31755611
1/4
NPT1/8
.43
.16
.47
.47
.006
31755613
1/4
R1/4
.55
.16
.37
.59
.021
31755614
1/4
NPT1/4
.55
.16
.37
.59
.013
31755618
1/4
NPT3/8
.71
.2
.3
.77
.025
31756011
3/8
NPT1/8
.63
.16
.89
.69
.019
31756013
3/8
R1/4
.71
.2
.3
.77
.017
31756014
3/8
NPT1/4
.63
.28
.81
.69
.019
31756017
3/8
R3/8
.51
.2
.79
.55
.019
31756018
3/8
NPT3/8
.71
.28
.69
.77
.026
31756021
3/8
R1/2
.55
.24
.66
.59
.061
31756022
3/8
NPT1/2
.87
.28
.61
.94
.048
31756213
1/2
R1/4
.87
.24
1.06
.94
.044
31756214
1/2
NPT1/4
.87
.24
1.06
.94
.043
31756217
1/2
R3/8
.87
.28
1.02
.94
.048
31756218
1/2
NPT3/8
.87
.37
1.02
.94
.048
31756221
1/2
R1/2
.94
.28
.81
.94
.049
31756222
1/2
NPT1/2
.94
.37
.87
.94
.068
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