Parker 51 Series Pipe Field Attachable Fittings

This page is for reference only. The 51 Series Fittings are now bein phased out and replaced by Series 51R. 

Parker 20151 Field Attachable Hose Fittings

Male Taper Pipe Rigid

Parker 51 series 20151 fitting

For available sizes, refer to the table below. 

Construction: Steel. Add "C" for stainless steel.

 


Part
Number

NPTF Pipe
Thread

Hose
I.D.

A

Cutoff
Allow.
B

H
Hex

W
Hex

Hose Fitting

 

inch

inch

mm

inch

mm

inch

inch

20151-2-3

1/8-27

3/16

1.71

43

1

25

7/16

5/8

20151-4-3

1/4-18

3/16

1.90

48

1.13

29

9/16

5/8

20151-2-4

1/8-27

1/4

1.90

48

1

25

1/2

5/8

20151-4-4

1/4-18

1/4

2.08

53

1.19

30

9/16

5/8

20151-4-5

1/4-18

5/16

2.17

55

1.44

37

9/16

3/4

20151-6-5

3/8-18

5/16

2.17

55

1.44

37

3/4

3/4

20151-4-6

1/4-18

3/8

2.61

66

1.44

37

3/4

7/8

20151-6-6

3/8-18

3/8

2.61

66

1.44

37

3/4

7/8

20151-8-6

1/2-14

3/8

2.80

71

1.56

40

7/8

7/8

20151-6-8

3/8-18

1/2

2.99

76

1.50

38

7/8

1-1/16

20151-8-8

1/2-14

1/2

3.17

81

1.69

43

7/8

1-1/16

20151-12-12

3/4-14

3/4

3.42

87

1.75

44

1-1/8

1-3/8

20151-16-16

1-11-1/2

1

3.74

95

2.25

57

1-3/8

1-9/16

 

 

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