Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
LEGACY Quick Connect Plug: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve - ARO Aluminum Quick-Connect Air Coupling Plugs
LEGACYARO Aluminum Quick-Connect Air Coupling Plugs

LEGACY Quick Connect Plug: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve

The LEGACY Quick Connect Plug is an ARO aluminum quick-connect air coupling plug with a 1/4 in body size and 1/4 in hose fitting size. It features a sleeve locking type, male MNPT fitting, and a thread size of…

SKU 3G-OTH-473158

Brand
LEGACY
Item
Quick Connect Plug: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve
Category
ARO Aluminum Quick-Connect Air Coupling Plugs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LEGACY
Manufacturer Part Number
A71440B-2pk
Type
Sleeve, MNPT, 2 PK
Thread Size
1/4"-18
Fitting Type
MNPT
Hose Fitting Size
1/4 in
Hose Fitting Gender
Male
Coupling Locking Type
Sleeve
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LEGACY Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LEGACY Quick Connect Plug is an ARO aluminum quick-connect air coupling plug with a 1/4 in body size and 1/4 in hose fitting size. It features a sleeve locking type, male MNPT fitting, and a thread size of 1/4"-18, supplied as a 2-pack (MPN A71440B-2pk).

Frequently Asked Questions

What is the LEGACY Quick Connect Plug used for?

The LEGACY Quick Connect Plug is an ARO aluminum quick-connect air coupling plug used to connect pneumatic tools and hoses in industrial compressed air systems. It is suitable for applications across machining, material handling, and general plant maintenance where reliable, leak-free air connections are required.

What are the specifications of the LEGACY Quick Connect Plug A71440B-2pk?

The LEGACY Quick Connect Plug has a 1/4 in body size and 1/4 in hose fitting size, with a 1/4"-18 MNPT thread. It features a sleeve locking type, male hose fitting gender, and is made of aluminum. Supplied as a 2-pack, the manufacturer part number is A71440B-2pk.

Where to buy the LEGACY Quick Connect Plug worldwide?

3G Electric supplies the LEGACY Quick Connect Plug A71440B-2pk worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source this ARO-style aluminum quick-connect air coupling plug for your pneumatic system needs.

How to install the LEGACY Quick Connect Plug?

To install the LEGACY Quick Connect Plug, apply thread sealant to the 1/4"-18 MNPT threads and tighten into the female port of your air tool or hose. Use a wrench on the plug's hex flats to avoid overtightening. Ensure the sleeve locking mechanism engages fully before pressurizing the system.

Used in

Common applications for LEGACY
Automotive repair shops — LEGACY Tru-Flate coupling kits for quick-connect air tool lines
Manufacturing assembly lines — LEGACY Tru-Flate couplers for pneumatic actuator connections
Maintenance depots — LEGACY Booster Gun LCG1-01 for manual grease application
Construction sites — LEGACY Tru-Flate plug kits for portable air compressor hookups
Lubrication stations — LEGACY non-metered dispense guns for oil or sealant dispensing

LEGACY Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from LEGACY

View all LEGACY parts →
LEGACY Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, 1/4" -18 Thread Size (MPN A71430B-BG). Key specifications — Thread Size: 1/4" -18; Fitting Type: FNPT; Brand: LEGACY; Hose Fitting Gender: Female.
LEGACY
LEGACY Quick Connect Hose Coupling: 1/4 in Body Size, 1/4 in Hose Fitting Size, 1/4" -18 Thread Size (MPN A71430B-BG). Key specifications — Thread Size: 1/4" -18; Fitting Type: FNPT; Brand: LEGACY; Hose Fitting Gender: Female.
LEGACY Quick Connect Plug: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT, 2 PK (MPN A71430B-2pk). Key specifications — Thread Size: 1/4"-18; Fitting Type: FNPT; Brand: LEGACY; Coupling Locking Type: Sleeve; Hose Fitting Gender: Female.
LEGACY
LEGACY Quick Connect Plug: 1/4 in Body Size, 1/4 in Hose Fitting Size, Sleeve, FNPT, 2 PK (MPN A71430B-2pk). Key specifications — Thread Size: 1/4"-18; Fitting Type: FNPT; Brand: LEGACY; Coupling Locking Type: Sleeve; Hose Fitting Gender: Female.