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SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size - Industrial Interchange Steel Quick-Connect Air Coupling Plugs
SPEEDAIREIndustrial Interchange Steel Quick-Connect Air Coupling Plugs

SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size

The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E660) is an industrial interchange steel quick-connect air coupling plug with a 3/8 in body size and a 1/4 in hose fitting size. It features a 1/4" -18 MNPT male…

SKU 3G-OTH-457108

Brand
SPEEDAIRE
Item
Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size
Category
Industrial Interchange Steel Quick-Connect Air Coupling Plugs
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Technical Specifications

SPEEDAIRE
Manufacturer Part Number
30E660
Type
MNPT, Male
Thread Size
1/4" -18
Hose Fitting Size
1/4 in
Hose Fitting Gender
Male
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SPEEDAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEEDAIRE Quick Connect Hose Coupling (MPN 30E660) is an industrial interchange steel quick-connect air coupling plug with a 3/8 in body size and a 1/4 in hose fitting size. It features a 1/4" -18 MNPT male thread for secure connections in pneumatic systems.

Frequently Asked Questions

What is the SPEEDAIRE 30E660 quick connect hose coupling used for?

The SPEEDAIRE 30E660 is an industrial interchange steel quick-connect air coupling plug used in pneumatic systems to connect air tools, hoses, and compressors. Its 1/4" -18 MNPT male thread provides a secure, leak-resistant connection in workshops, manufacturing lines, and maintenance applications.

What are the specifications of the SPEEDAIRE 30E660 coupling?

The SPEEDAIRE 30E660 has a 3/8 in body size, 1/4 in hose fitting size, and a 1/4" -18 MNPT male thread. It is a steel industrial interchange plug designed for pneumatic air systems. The manufacturer part number is 30E660.

Where to buy the SPEEDAIRE 30E660 coupling worldwide?

3G Electric supplies the SPEEDAIRE 30E660 quick connect hose coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to order this pneumatic coupling for your industrial application.

How to install the SPEEDAIRE 30E660 quick connect coupling?

To install the SPEEDAIRE 30E660, apply thread sealant to the 1/4" -18 MNPT male threads and hand-tighten into the female port. Use a wrench for a snug fit, avoiding overtightening. Ensure the system is depressurized before installation to prevent injury.

Used in

Common applications for SPEEDAIRE
Manufacturing assembly lines — SPEEDAIRE compressed air filters (e.g., 4ZL49) for particulate removal in pneumatic tool supply
Air compressor maintenance — SPEEDAIRE Furnas to Condor P/S Kit (33MH82) for pressure switch conversion on reciprocating compressors
Pneumatic control systems — SPEEDAIRE check valves (810RC7) to prevent backflow in instrument air lines
Air tool repair — SPEEDAIRE internal gears (45P349) and O-rings (42VA60) for rebuilding impact wrenches and grinders
Heavy-duty industrial air preparation — SPEEDAIRE heavy-duty filters (4ZL12) with metal bowls for high-flow, high-pressure applications up to 250 psi
Air motor servicing — SPEEDAIRE repair kits (22XJ91) for maintaining pneumatic gearmotors in conveyor systems

SPEEDAIRE Products

3G Electric supplies SPEEDAIRE industrial interchange steel quick-connect air coupling plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, FNPT, Female (MPN 30E664). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/4" -18; Hose Fitting Gender: Female.
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SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, FNPT, Female (MPN 30E664). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/4" -18; Hose Fitting Gender: Female.
SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, FNPT, Female (MPN 30E701). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/4" -18; Hose Fitting Gender: Female.
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SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, FNPT, Female (MPN 30E701). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/4" -18; Hose Fitting Gender: Female.
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SPEEDAIRE Quick Connect Hose Coupling: 1/2 in Body Size, 3/8 in Hose Fitting Size, Male Hose Barb (MPN 30E672). Key specifications — Brand: SPEEDAIRE; Hose Fitting Gender: Male.
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SPEEDAIRE Quick Connect Hose Coupling: 1/2 in Body Size, 3/8 in Hose Fitting Size, Male Hose Barb (MPN 30E672). Key specifications — Brand: SPEEDAIRE; Hose Fitting Gender: Male.
SPEEDAIRE Quick Connect Hose Coupling: 1/2 in Body Size, 1/2 in Hose Fitting Size, FNPT, Female (MPN 30E668). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/2" -14; Hose Fitting Gender: Female.
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SPEEDAIRE Quick Connect Hose Coupling: 1/2 in Body Size, 1/2 in Hose Fitting Size, FNPT, Female (MPN 30E668). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/2" -14; Hose Fitting Gender: Female.
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Sleeve, MNPT (MPN 30E704). Key specifications — Brand: SPEEDAIRE; Thread Size: 3/8"-18; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
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SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, Sleeve, MNPT (MPN 30E704). Key specifications — Brand: SPEEDAIRE; Thread Size: 3/8"-18; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 3/8 in Hose Fitting Size, MNPT, Male (MPN 30E706). Key specifications — Brand: SPEEDAIRE; Thread Size: 3/8"-18; Hose Fitting Gender: Male.
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SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 3/8 in Hose Fitting Size, MNPT, Male (MPN 30E706). Key specifications — Brand: SPEEDAIRE; Thread Size: 3/8"-18; Hose Fitting Gender: Male.
SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, MNPT (MPN 30E705). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.
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SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 1/4 in Hose Fitting Size, Sleeve, MNPT (MPN 30E705). Key specifications — Brand: SPEEDAIRE; Thread Size: 1/4" -18; Coupling Locking Type: Sleeve; Hose Fitting Gender: Male.