Parker G5HG5 | Straight Thread Couplings

This Section contains adapters with thread types including NPT, NPTF, BSPT, BSPP, SAE UN/UNF, and Metric. All the threads in this section are made to industry specifications with conformance shown in table on the right.
Thread Standard

NPT

ANSI B1.20.1, FED-STD-H28/7

NPTF

SAE J476, ANSI B1.20.3, FED-STD-H28/8

BSPT

BS 21, ISO 7/1

BSPP

BS 2779, ISO 228/1

Metric

ISO 261, ANSI B1.13M, FED-STD-H28/21

UN/UNF*

ANSI B1.1, FED-STD-H28/2
*Class 2A or 2B

Parker Pipe Coupling Configurations

 Parker Straight Thread Coupling

 

Straight Thread Coupling

Part #: G5HG5
Manufacturer: Parker

 

Female SAE / Female SAE
 

TUBE
FITTING
PART #

END SIZE

C
HEX
(in.)

L
(in.)

Dynamic
Pressure
(x 1,000 PSI)

  

1
UN/UNF-2B

2
UN/UNF-2B

  

-S

-SS

-B

  

4 G5HG5

7/16 - 20

7/16 - 20

11/16

1.13

7.0

6.0

3.3

  

6 G5HG5

9/16 - 18

9/16 - 18

13/16

1.26

6.0

6.0

3.3

  

8 G5HG5

3/4 - 16

3/4 - 16

1

1.42

5.0

5.0

3.3

  

10 G5HG5

7/8 - 14

7/8 - 14

1 3/16

1.60

4.5

4.5

2.9

  

12 G5HG5

1 1/16 - 12

1 1/16 - 12

1 3/8

1.85

4.5

4.5

2.9

  

16 G5HG5

1 5/16 - 12

1 5/16 - 12

1 5/8

1.85

3.5

3.5

2.2

  

 

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