Quick Connect Socket 3/8" MNPT Brass – OEM Replacement Part

Part Number: 3004
Category: Pressure Washer Fittings → Quick Connect Couplers → Quick Connect Sockets
Type: Brass Male Thread Quick Connect Socket

The Quick Connect Socket 3/8" MNPT Brass (Part #3004) is a heavy-duty OEM replacement coupler designed to provide fast, secure connections for pressure washer hoses, spray guns, lances, surface cleaners, and other high-pressure accessories. Constructed from durable brass, this quick connect socket offers excellent corrosion resistance, reliable sealing performance, and long-lasting durability in commercial and industrial cleaning environments.

Key Features & Benefits

• OEM-quality quick connect socket
• Durable brass construction
• Industry-interchangeable quick connect design
• Corrosion-resistant material for long service life
• Fast tool-free connection and disconnection
• 3/8" MNPT threaded connection
• Rated up to 5000 PSI with compatible brass quick connect plugs
• Suitable for commercial and industrial pressure washing systems
• Provides secure, leak-resistant connections
• Compatible with a wide range of pressure washer accessories

Technical Specifications

Part Number: 3004

Product Type: Quick Connect Socket / Coupler

Material: Brass

Thread Size: 3/8" MNPT

Thread Type: Male National Pipe Thread

Maximum Pressure: 5000 PSI (with compatible brass quick connect plug)

Connection Style: Industry Interchangeable Quick Connect

Application: High-Pressure Fluid Connections

OEM Replacement: Yes

Typical Applications

• Pressure washer hose assemblies
• Spray gun connections
• Lance and wand hookups
• Surface cleaner connections
• High-flow pressure washer systems
• Commercial cleaning equipment
• Industrial wash-down systems
• Equipment repairs and maintenance
• Pressure washer plumbing installations

Performance Advantages

• Allows rapid accessory changes without tools
• Brass construction provides excellent corrosion resistance
• Supports demanding high-pressure cleaning applications
• Provides dependable, leak-resistant connections
• Reduces downtime during equipment setup and maintenance
• Compatible with industry-standard quick connect fittings
• Suitable for professional pressure washer systems
• Helps improve efficiency and workflow productivity
• Built for long-term commercial and industrial use

Maintenance Recommendations

• Inspect the coupler regularly for wear, corrosion, or damage.
• Ensure proper engagement with compatible quick connect plugs before operation.
• Replace worn O-rings or damaged components immediately.
• Keep connection surfaces clean and free of dirt or debris.
• Check threaded connections periodically for leaks.
• Inspect the complete quick connect assembly during routine maintenance.