RS Components
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Parker Hydraulic Straight Threaded Adapter 4H6K4S, Connector A G 1/4 Female, Connector B G 1/4 Female

6 In stock for delivery within 2 working days
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Unit of sale 1 Pack of 2


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RS Stock No.:
Mfr. Part No.:

RoHS Status: Not Applicable

Pack(s)Per PackPer unit*
1 - 4€7.19€3.595
5 - 9€6.82€3.41
10 - 24€6.63€3.315
25 +€6.49€3.245
*price indicative

Swivel Union

Straight female to female BSP parallel thread adaptor. Manufactured from steel to BS5200 with a zinc yellow chromated finish to give a high corrosion resistance (500 hours in salt spray test). All adaptors have a working temperature range -40 to +120°C (-3 to +120°C for plugs).

Features and Benefits

Visible bite of progressive ring helps prevent blow-off
Excellent sealing capacity when used in various applications including vacuum and hydraulic systems
Stress evenly distributed throughout out minimising concentration at the bite point
Compact overall dimensions make EO fittings ideal or confined spaces


Hydraulic systems can work at high pressures, and fittings and adaptors can be subjected to extreme loadings such as vibration and uncontrolled pressure peaks. When choosing fittings or adaptors careful attention should be given to the technical specifications.



Connector AG 1/4 Female
Connector BG 1/4 Female
FinishYellow Chromated, Zinc Plated
Connector A - Thread Size1/4in
Connector A - Thread StandardG
Connector A - GenderFemale
Connector B - Thread Size1/4in
Connector B - GenderFemale
Connector B - Thread StandardG
Maximum Operating Pressure450 bar
Maximum Operating Temperature+120°C
Minimum Operating Temperature-40°C