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HK Series Industrial Interchange Series B Brass Hydraulic Quick Disconnect, Female Half, -04 Coupling, 1/4-18 Female NPT

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Description & Features

The HK Series Industrial Interchange Series B Brass Hydraulic Quick Disconnect Female Half -04 Coupling 1/4-18 Female NPT is designed to meet ISO standard 7241-1 Series B. This coupling features robust brass construction with stainless steel springs ensuring high corrosion resistance and fluid compatibility. The self-sealing poppet valves offer reliable high and low-pressure sealing.

The standard seal material for this quick disconnect is Buna-N suitable for temperatures ranging from -40deg;F to +250deg;F. Other seal options available include PTFE Neoprene FKM EPDM and Kalrezreg;. The coupling operates efficiently with a push-to-connect mechanism and a 1/4-18 NPTF thread type.

Ideal for various applications such as agriculture hydraulic tools general industry construction fluid transfer transportation military law enforcement/rescue chemical oil and gas consumer products HVAC food and beverage trucks aerospace and medical. It minimizes fluid loss with a fluid loss capacity of 0.90 cubic centimeters and a maximum air inclusion limit of 1.20 cubic centimeters.

Supplier Part Number: B2H16

MPN: C1KV77

Specifications

A
2.26
Air Inclusion Max
1.20 Cubic_centimeter
Application
Agriculture, Hydraulic Tool, General Industry, Construction, Fluid Transfer, Transportation, Military, Law Enforcement/Rescue, Chemical, Oil and Gas, Consumer Products, HVAC, Food and Beverage, Trucks, Aerospace, Medical
B
1.14
Coupling Size
-04
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Gender 2
13555
End Size 1
0.25
End Size 2
0.25
End Type 1
Push to Connect
End Type 2
NPTF
Fluid Loss
0.90 Cubic_centimeter
Minimum Working Temperature
-40
Safety locking Mechanism
None
Seal Material
Buna-N
Supplier Part Number
B2H16
Thread 1
1/4-18
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1KV77, Alternate Part Number MI-05992143, Alternate Part Number MINO-00015X00388, Alternate Part Number MINO-00925X12157
Product Weight
0.30 lbs

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Product Questions & Answers (3)

Question by: Merle P on Dec 22, 2025, 11:57 AM
got a -04 hose with 1/4-18 female npt, is this the right female quick disconnect half for it?
Answer by: Customer Support on Dec 24, 2025, 10:42 AM
You’re looking at a female half (socket) with a 1/4-18 NPTF female thread and a -04 coupling size, so it matches that thread and size callout. It’s the HK Series Industrial Interchange style that meets ISO 7241-1 Series B dimensions.
Question by: Carl Y on Jun 7, 2025, 7:12 PM
what seal comes standard on this thing, and how hot can it run before it starts givin me trouble?
Answer by: Customer Support on Jun 9, 2025, 5:10 PM
Buna-N is the standard seal on this coupling, and it holds up from -40 degrees F all the way to 250 degrees F. If your application runs hotter than that, there are other seal options available including PTFE, Neoprene, FKM, EPDM, and Kalrez. FKM handles the widest heat range of the bunch, rated up to 400 degrees F on the high end.
Question by: Ralph H on Dec 17, 2025, 10:58 AM
Will this quick disconnect work with different types of hydraulic fluids or just the standard stuff?
Answer by: Customer Support on Dec 18, 2025, 11:29 AM
This coupling is made with brass and stainless steel springs to handle a wide range of fluids. The standard Buna-N seal works for many applications, but you can also get it with PTFE, Neoprene, FKM, EPDM, or Kalrez seals if you need something different.