• 4" 10,000 PSI FIG 1002 male blind sub with wing nut for oilfield flowline equipment, high-pressure integral fitting for oil and gas operations, durable flow iron component used for secure line sealing and well testing applications
  • 4" 10,000 PSI Fig 1002 Male Blind Sub with Wing Nut – Oil & Gas Flowline Fitting
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4" 10,000 PSI Fig 1002 Male Blind Sub with Wing Nut – Oil & Gas Flowline Fitting

4" 10,000 PSI Fig 1002 Male Blind Sub with Wing Nut – Oil & Gas Flowline Fitting

$599.00 USD
$718.80 USD $599.00 USD
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The 4" Figure 1002 Male Blind Sub with Wing Nut is a robust, high-pressure closure assembly designed to securely cap off and isolate the female threaded hub of a hammer union connection. Rated for a Cold Working Pressure (CWP) of 10,000 PSI, the Figure 1002 series is a industry standard for high-volume, high-pressure flowlines, well-testing manifolds, and cementing iron where absolute pressure containment is mandatory.

Manufactured from premium high-strength forged alloy steel, this complete assembly includes the precision-machined male blind sub (featuring the elastomeric seal groove) and the heavy-duty Figure 1002 wing nut. Because it is supplied as a complete unit—including the nut, retainer segments, and snap ring—rig crews can immediately deploy the blind to mate with any standard 4" 1002 female sub. This configuration allows for rapid, blowout-proof termination of 4-inch lines using standard hammer-up techniques.

Built to withstand severe mechanical shock, intense vibration, and the erosive nature of abrasive fluids, the 4" 1002 Male Blind Sub with Wing Nut ensures maximum safety and structural integrity in demanding upstream applications.

Features & Benefits

  • Complete Assembly: Comes fully equipped with the male blind sub and heavy-duty wing nut for immediate field deployment without additional parts.

  • 10,000 PSI CWP Rating: Specifically engineered to safely contain high pressures in critical well-servicing and stimulation environments.

  • Forged Alloy Steel Construction: Delivers superior structural strength, resisting fatigue, mechanical impact, and internal erosion.

  • Positive Isolation: Provides a secure, blowout-proof dead-end for 4-inch high-pressure fluid and gas lines.

  • Standard Interchangeability: Fully compatible with all industry-standard 4" Figure 1002 female threaded hubs.

  • Field Efficiency: Designed for fast make-up and break-out, minimizing downtime during high-paced rig-up and manifold adjustments.

Specifications & Technical Details

Category Specification
Component Type Male Blind Sub Assembly / Flowline Closure
Figure Number Figure 1002
Size 4"
Pressure Rating 10,000 PSI CWP (10M)
End Connection 4" Fig 1002 Male (with Wing Nut)
Material High-Strength Forged Alloy Steel
Included Components Male Blind Sub, Wing Nut, Retainer Segments, Snap Ring
Service Type Standard Oilfield Service (Sour Service options available)
Typical Applications Well testing, cementing, flowback manifolds, pump discharge
Testing & Compliance Strict dimensional verification and material traceability

Applications

This 4" Figure 1002 male blind sub with wing nut is essential for high-pressure operations requiring secure and rapid flowline termination. Typical uses include capping off unused female branches on well-testing manifolds, dead-ending high-volume flowlines during maintenance, and securing high-pressure pump discharge headers during stimulation.

Quality Assurance

Each blind assembly is manufactured under rigorous quality control protocols. The fitting undergoes precise dimensional inspection and non-destructive examination (NDE) to guarantee absolute structural integrity, proper wing nut retention, and reliable blowout-proof performance under maximum 10,000 PSI operational loads.

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