JW WINCOPressure-Relief Breather Vents

JW WINCO Breather Valve: 3/4", SAE, Pressure Relief (Green Ring) Design, Brass

The JW WINCO Breather Valve is a 3/4" SAE pressure-relief breather vent with a green ring design, constructed from brass. It features a 1 1/4 in overall height and is identified by manufacturer part number…

SKU 3G-OTH-591724

Also listed as: 881G34200MSM · 881 G3 4 200 MS M · 881-G3-4-200-MS-M

Brand

JW WINCO

Item

Breather Valve: 3/4", SAE, Pressure Relief

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

JW WINCO

Manufacturer Part Number

881-G3/4-200-MS-M 

Type

SAE, Pressure Relief (Green Ring) Design, Brass 

Overall Ht

1 1/4 in 

Thread Size

3/4" 

Thread Type

SAE

Body Material

Brass 

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

JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a JW WINCO breather valve used for?

A JW WINCO breather valve relieves pressure in hydraulic or fluid systems while preventing contamination. This 3/4" SAE brass model with a green ring is used in industrial equipment, gearboxes, and reservoirs to maintain safe operating pressure.

What are the specifications of the JW WINCO 881-G3/4-200-MS-M breather valve?

This JW WINCO breather valve has a 3/4" SAE thread, brass body, and 1 1/4 in overall height. It features a pressure relief (green ring) design and is identified by manufacturer part number 881-G3/4-200-MS-M.

Where to buy a JW WINCO breather valve worldwide?

3G Electric supplies the JW WINCO 881-G3/4-200-MS-M breather valve worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this brass pressure-relief vent.

How to install a JW WINCO breather valve?

Install the JW WINCO breather valve by threading it into a 3/4" SAE port on your reservoir or equipment. Tighten to manufacturer torque specs using a wrench on the hex body. Ensure the green ring faces upward for proper pressure relief operation.

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 pressure-relief breather vents. 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 →