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SPEEDAIRE Quick Connect Hose Coupling: 3/8 in Body Size, 3/8 in Hose Fitting Size - ARO Stainless Steel Quick-Connect Air Coupling Plugs
SPEEDAIREARO Stainless Steel Quick-Connect Air Coupling Plugs

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

The SPEEDAIRE Quick Connect Hose Coupling (SKU 30E559) is a stainless steel quick-connect air coupling plug with a 3/8 in body size and 3/8 in hose fitting size. It features a male MNPT fitting type with a 3/8"-18…

SKU 3G-OTH-478419

Brand
SPEEDAIRE
Item
Quick Connect Hose Coupling: 3/8 in Body Size, 3/8 in Hose Fitting Size
Category
ARO Stainless Steel Quick-Connect Air Coupling Plugs
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Technical Specifications

SPEEDAIRE
Manufacturer Part Number
30E559
Type
MNPT
Thread Size
3/8"-18
Fitting Type
MNPT
Hose Fitting Size
3/8 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 (SKU 30E559) is a stainless steel quick-connect air coupling plug with a 3/8 in body size and 3/8 in hose fitting size. It features a male MNPT fitting type with a 3/8"-18 thread size, designed for industrial air systems.

Frequently Asked Questions

What is the SPEEDAIRE 30E559 quick connect hose coupling used for?

The SPEEDAIRE 30E559 is a stainless steel quick-connect air coupling plug used in industrial pneumatic systems to connect and disconnect air tools and hoses quickly. It is suitable for applications requiring a 3/8 in body size with a male MNPT fitting.

What are the specifications of the SPEEDAIRE 30E559 coupling?

The SPEEDAIRE 30E559 has a 3/8 in body size, 3/8 in hose fitting size, and a male MNPT fitting type with a 3/8"-18 thread size. It is made of stainless steel and is designed as a quick-connect air coupling plug for industrial air systems.

Where to buy the SPEEDAIRE 30E559 quick connect coupling worldwide?

3G Electric supplies the SPEEDAIRE 30E559 quick connect hose coupling worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to order this stainless steel air coupling plug for your pneumatic system.

How to install the SPEEDAIRE 30E559 male MNPT coupling?

To install the SPEEDAIRE 30E559, apply thread sealant to the male MNPT threads and hand-tighten into the female port. Use a wrench for final snugging, but avoid overtightening to prevent damage. Ensure the coupling is clean and free of debris before connecting air lines.

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 aro stainless 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, MNPT, Plug, Male (MPN 30E556). Key specifications — Thread Size: 1/4" -18; Fitting Type: MNPT; Brand: SPEEDAIRE; Hose Fitting Gender: Male.
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SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, FNPT (MPN 30E553). Key specifications — Thread Size: 1/4" -18; Fitting Type: FNPT; Brand: SPEEDAIRE; 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 (MPN 30E553). Key specifications — Thread Size: 1/4" -18; Fitting Type: FNPT; Brand: SPEEDAIRE; Hose Fitting Gender: Female.
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, FNPT (MPN 30E554). Key specifications — Thread Size: 3/8"-18; Fitting Type: FNPT; Brand: SPEEDAIRE; Hose Fitting Gender: Female.
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SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, FNPT (MPN 30E554). Key specifications — Thread Size: 3/8"-18; Fitting Type: FNPT; Brand: SPEEDAIRE; Hose Fitting Gender: Female.
SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, MNPT (MPN 30E557). Key specifications — Thread Size: 3/8"-18; Fitting Type: MNPT; Brand: SPEEDAIRE; Hose Fitting Gender: Male.
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SPEEDAIRE Quick Connect Hose Coupling: 1/4 in Body Size, 3/8 in Hose Fitting Size, MNPT (MPN 30E557). Key specifications — Thread Size: 3/8"-18; Fitting Type: MNPT; Brand: SPEEDAIRE; Hose Fitting Gender: Male.