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WEATHERHEAD Hydraulic Hose Adapter: Brass, 1/4 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F - Hydraulic Hose Plugs
WEATHERHEADHydraulic Hose Plugs

WEATHERHEAD Hydraulic Hose Adapter: Brass, 1/4 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F

The WEATHERHEAD 3151X4 is a brass hydraulic hose plug with a 1/4" fitting size and 1/4"-18 NPTF thread, rated for 1,200 psi max working pressure at 70°F. This adapter does not include an O-ring.

SKU 3G-OTH-647058

Brand
WEATHERHEAD
Item
Hydraulic Hose Adapter: Brass, 1/4 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F
Category
Hydraulic Hose Plugs
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Technical Specifications

WEATHERHEAD
Manufacturer Part Number
3151X4
Type
1,200 psi Max. Working Pressure @ 70 F, NPTF
Material
Brass
Thread Size
1/4"-18
Fitting Size
1/4 in
Includes O-Ring
No
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WEATHERHEAD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WEATHERHEAD 3151X4 is a brass hydraulic hose plug with a 1/4" fitting size and 1/4"-18 NPTF thread, rated for 1,200 psi max working pressure at 70°F. This adapter does not include an O-ring.

Frequently Asked Questions

What is the WEATHERHEAD 3151X4 hydraulic hose plug used for?

The WEATHERHEAD 3151X4 is a brass hydraulic hose plug used to seal or cap a 1/4" NPTF port in industrial hydraulic systems. It is rated for 1,200 psi max working pressure at 70°F and is commonly applied in fluid power circuits, machine tools, and material handling equipment.

What are the specifications of the WEATHERHEAD 3151X4?

The WEATHERHEAD 3151X4 is a brass hydraulic hose plug with a 1/4" fitting size and 1/4"-18 NPTF thread. It has a maximum working pressure of 1,200 psi at 70°F and does not include an O-ring. The manufacturer part number is 3151X4.

Where to buy the WEATHERHEAD 3151X4 worldwide?

3G Electric supplies the WEATHERHEAD 3151X4 brass hydraulic hose plug to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this part.

How to install the WEATHERHEAD 3151X4 hydraulic hose plug?

Install the WEATHERHEAD 3151X4 by hand-tightening the 1/4"-18 NPTF thread into the female port, then use a wrench for final snug fit. Do not overtighten brass fittings. Since this plug has no O-ring, apply thread sealant compatible with hydraulic fluids to ensure a leak-free seal.

Used in

Common applications for WEATHERHEAD
Mobile hydraulic systems — Weatherhead hydraulic flange fittings (e.g., 12Z-G42) for hose assemblies in excavators and loaders
Pneumatic tool lines — Weatherhead quick-connect couplings (e.g., 430) for air supply connections in manufacturing plants
Industrial machinery — Weatherhead 45° elbow flange fittings (e.g., 20Z-G54) for hydraulic power units
Fluid transfer systems — Weatherhead straight flange fittings (e.g., 16Z-G20) for high-pressure oil lines
Maintenance and repair — Weatherhead quick-connect bodies (e.g., 580) for replacing worn couplings on pneumatic tools
Hydraulic press applications — Weatherhead 90° elbow flange fittings (e.g., 24Z-G84) for compact hose routing in tight spaces

WEATHERHEAD Products

3G Electric supplies WEATHERHEAD hydraulic hose plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Hydraulic Hose Adapter: Brass, 1/8 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3151X2). Key specifications — Material: Brass; Thread Size: 1/8"-27; Includes O-Ring: No.
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Hydraulic Hose Adapter: Brass, 1/8 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3151X2). Key specifications — Material: Brass; Thread Size: 1/8"-27; Includes O-Ring: No.
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Hydraulic Hose Adapter: Brass, 1/4 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3150X4). Key specifications — Material: Brass; Thread Size: 1/4"-18; Includes O-Ring: No.
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Hydraulic Hose Adapter: Brass, 1/4 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3150X4). Key specifications — Material: Brass; Thread Size: 1/4"-18; Includes O-Ring: No.
Hydraulic Hose Plug: Brass, 1/8 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3152X2). Key specifications — Material: Brass; Thread Size: 1/8"-27.
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Hydraulic Hose Adapter: Brass, 3/4 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3151X12). Key specifications — Material: Brass; Thread Size: 3/4"-14; Includes O-Ring: No.
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Hydraulic Hose Adapter: Brass, 3/4 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3151X12). Key specifications — Material: Brass; Thread Size: 3/4"-14; Includes O-Ring: No.
Hydraulic Hose Plug: Brass, 1/2 in Fitting Size, 1,200 psi Max. Working Pressure @ 70 F, NPTF (MPN 3152X8). Key specifications — Material: Brass; Thread Size: 1/2"-14.
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