JW WINCOAluminum Threaded Plugs

JW WINCO Threaded Plug: Aluminum, NBR Seal, Type G, 1/2 in Thd, 21 mm Drive Size

The JW WINCO Threaded Plug is an aluminum Type G plug with a 1/2 in thread, a 21 mm drive size, and a 26 mm outside diameter. It features an NBR seal and is identified by manufacturer part number 741-26-G1/2-OS-1.

SKU 3G-OTH-172180

Also listed as: 74126G12OS1 · 741 26 G1 2 OS 1 · 741-26-G1-2-OS-1

Brand

JW WINCO

Item

Threaded Plug: Aluminum, NBR Seal, Type G, 1/2 in Thd, 21 mm Drive Size

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JW WINCO

Manufacturer Part Number

741-26-G1/2-OS-1 

Type

NBR Seal, Type G 

Thd

1/2 in 

Drive Size

21 mm 

Outside Dia

26 mm 

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the JW WINCO Threaded Plug used for?

The JW WINCO Threaded Plug seals hydraulic or pneumatic ports in industrial systems. Its aluminum body with NBR seal provides leak-proof closure in Type G threaded connections, commonly used in manifolds, valves, and cylinders.

What are the specifications of the JW WINCO Threaded Plug?

This plug is made of aluminum with an NBR seal, Type G thread, 1/2 in thread size, 21 mm drive size, and 26 mm outside diameter. The manufacturer part number is 741-26-G1/2-OS-1.

Where to buy the JW WINCO Threaded Plug worldwide?

3G Electric supplies the JW WINCO Threaded Plug worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to source this plug for your industrial application.

How to install the JW WINCO Threaded Plug?

Clean the port threads, apply thread sealant if needed, and tighten the plug with a 21 mm drive tool to the manufacturer's recommended torque. Avoid over-tightening to prevent damage to the NBR seal.

Used in

Common applications for JW WINCO

Machinery assembly — JW WINCO self-locking bearing locknuts (e.g., 1804.1-M50X1.5) for securing bearings on shafts in gearboxes and conveyors.

Fixture building — JW WINCO horizontal U-latch toggle clamps (e.g., 851.3-700-T6) for quick clamping in welding jigs and assembly fixtures.

Material handling — JW WINCO quick-release hoist rings (e.g., 1135-M12-17-ST) for lifting heavy components in manufacturing cells.

Shaft positioning — JW WINCO one-piece shaft collars (e.g., 5WG46/A) for retaining bearings or acting as stops on linear motion systems.

Linkage systems — JW WINCO stainless steel clevis rod ends (e.g., 8NXBIS) for connecting pneumatic cylinders or actuators in automated equipment.

Clamping arm extension — JW WINCO rigid clamping arm extenders (e.g., 801.1-85-16-ST) for increasing reach on toggle clamps in custom fixtures.

JW WINCO Products

3G Electric supplies JW WINCO aluminum threaded plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all JW WINCO products →Contact our engineers →