JW WINCOSteel Threaded Plugs

JW WINCO Threaded Plug: Steel, NBR Seal, Type G, 1/4 in Thd, Internal Hex

The JW WINCO Threaded Plug: Steel (SKU 3G-OTH-162917, MPN 749-G1/4-A) is a steel threaded plug with an NBR seal, Type G configuration, and 1/4 in thread size. It features an internal hex drive with a 27 mm drive size.

SKU 3G-OTH-162917

Also listed as: 749G14A · 749 G1 4 A · 749-G1-4-A

Brand

JW WINCO

Item

Threaded Plug: Steel, NBR Seal, Type G, 1/4 in Thd, Internal Hex

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

749-G1/4-A 

Type

NBR Seal, Type G, Internal Hex 

Thd

1/4 in 

Drive Size

27 mm 

Technical Documents

No technical documents available for this product.

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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 and pneumatic ports in industrial equipment. Its steel body and NBR seal resist oil and moderate temperatures, making it suitable for manifolds, valves, and cylinders in manufacturing and fluid-power systems.

What are the specifications of the JW WINCO 749-G1/4-A threaded plug?

This plug is steel with an NBR seal, Type G thread configuration, and 1/4 in thread size. It has an internal hex drive with a 27 mm drive size. The manufacturer part number is 749-G1/4-A, and the SKU is 912HD3.

Where to buy the JW WINCO threaded plug worldwide?

3G Electric supplies the JW WINCO threaded plug worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this part.

How to install a JW WINCO threaded plug?

Clean the port threads and apply a compatible sealant if needed. Use a hex key on the internal hex drive to tighten the plug to the manufacturer's recommended torque. Avoid over-tightening to prevent damage to the NBR seal or threads.

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 steel 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 →