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

JW WINCO 881-G1/2-200-MS-M Pressure-Relief Breather Vent, 1/2" SAE, Brass - Pressure-Relief Breather Vents
JW WINCOPressure-Relief Breather Vents

JW WINCO 881-G1/2-200-MS-M Pressure-Relief Breather Vent, 1/2" SAE, Brass

The JW WINCO GN881-G1/2-200-MS-M is a SAE pressure-relief breather valve with a green ring design, featuring a 1/2" SAE thread and a brass body. This component is part of our broader industrial solutions across 14…

SKU 3G-OTH-591700

Also listed as: 881G12200MSM · 881 G1 2 200 MS M · 881-G1-2-200-MS-M

Brand
JW WINCO
Item
881-G1/2-200-MS-M Pressure-Relief Breather Vent, 1/2" SAE, Brass
Category
Pressure-Relief Breather Vents
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

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-G1/2-200-MS-M
Type
SAE, Pressure Relief (Green Ring) Design
Thread Size
1/2"
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

The JW WINCO GN881-G1/2-200-MS-M is a SAE pressure-relief breather valve with a green ring design, featuring a 1/2" SAE thread and a brass body. This component is part of our broader industrial solutions across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like FBR, Interpump, and Riello.

Frequently Asked Questions

What is the JW WINCO GN881-G1/2-200-MS-M breather valve used for?

The JW WINCO GN881-G1/2-200-MS-M is a pressure-relief breather valve used to vent excess pressure from hydraulic or pneumatic systems while preventing contamination. Its 1/2" SAE thread and brass body suit industrial applications across machining, material handling, and power transmission.

What are the specifications of the JW WINCO GN881-G1/2-200-MS-M?

This JW WINCO breather valve has a 1/2" SAE thread, brass body, and a pressure-relief green ring design. The manufacturer part number is 881-G1/2-200-MS-M. It is a SAE-type component for venting applications in industrial equipment.

Where to buy the JW WINCO GN881-G1/2-200-MS-M worldwide?

3G Electric supplies the JW WINCO GN881-G1/2-200-MS-M breather valve worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to order this brass SAE pressure-relief valve for your system.

How to install the JW WINCO GN881-G1/2-200-MS-M breather valve?

Install the JW WINCO GN881-G1/2-200-MS-M by threading it into a compatible 1/2" SAE port. Use thread sealant on the brass threads to prevent leaks. Ensure the green ring is oriented for proper pressure relief. Torque to manufacturer specifications for a secure 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 pressure-relief breather vents. 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 JW WINCO

View all JW WINCO parts
Metric pressure-relief breather vent with M10 thread, brass body, and stainless steel cap. Minimum opening pressure of 160 mbar. Used to relieve pressure buildup in industrial enclosures, gearboxes, or hydraulic tanks, protecting seals and components from overpressure
JW WINCO
Metric pressure-relief breather vent with M10 thread, brass body, and stainless steel cap. Minimum opening pressure of 160 mbar. Used to relieve pressure buildup in industrial enclosures, gearboxes, or hydraulic tanks, protecting seals and components from overpressure
Metric pressure-relief breather vent with M10 thread and brass body. Low design without breather cap, minimum opening pressure 160 mbar. Used for controlled venting in sealed enclosures such as hydraulic systems, gearboxes, and fluid reservoirs
JW WINCO
Metric pressure-relief breather vent with M10 thread and brass body. Low design without breather cap, minimum opening pressure 160 mbar. Used for controlled venting in sealed enclosures such as hydraulic systems, gearboxes, and fluid reservoirs
This pressure-relief breather vent features a low-profile design without a breather cap, with a minimum opening pressure of 20 mbar. It has an M12 metric thread and a brass body. Typical applications include venting of enclosures, gearboxes, and hydraulic systems to prevent pressure buildup while blocking contaminants
JW WINCO
This pressure-relief breather vent features a low-profile design without a breather cap, with a minimum opening pressure of 20 mbar. It has an M12 metric thread and a brass body. Typical applications include venting of enclosures, gearboxes, and hydraulic systems to prevent pressure buildup while blocking contaminants
Metric pressure-relief breather vent with M14 x 1.5 thread, brass body, and stainless steel cap. Minimum opening pressure of 160 mbar. Used on gearboxes, hydraulic tanks, and fluid-power systems to relieve pressure buildup while preventing contaminant ingress
JW WINCO
Metric pressure-relief breather vent with M14 x 1.5 thread, brass body, and stainless steel cap. Minimum opening pressure of 160 mbar. Used on gearboxes, hydraulic tanks, and fluid-power systems to relieve pressure buildup while preventing contaminant ingress
Metric pressure-relief breather vent with green ring design, featuring an M20 thread size and brass body. Overall height 33 mm. Used for controlled venting in industrial equipment enclosures such as gearboxes, hydraulic tanks, and pumps to relieve excess pressure and prevent seal damage
JW WINCO
Metric pressure-relief breather vent with green ring design, featuring an M20 thread size and brass body. Overall height 33 mm. Used for controlled venting in industrial equipment enclosures such as gearboxes, hydraulic tanks, and pumps to relieve excess pressure and prevent seal damage
This pressure-relief breather vent features a brass body with a green ring design for pressure relief. It has a 3/4" SAE thread and an overall height of 1 1/4 in. Used on hydraulic reservoirs, gearboxes, and fluid systems to relieve pressure while preventing contamination
JW WINCO
This pressure-relief breather vent features a brass body with a green ring design for pressure relief. It has a 3/4" SAE thread and an overall height of 1 1/4 in. Used on hydraulic reservoirs, gearboxes, and fluid systems to relieve pressure while preventing contamination
This pressure-relief breather vent from JW WINCO features a brass body with 1/4" SAE threads and a low design without a breather cap. It has a minimum opening pressure of 160 mbar, making it suitable for venting excess pressure in hydraulic and pneumatic systems to prevent seal damage and component failure
JW WINCO
This pressure-relief breather vent from JW WINCO features a brass body with 1/4" SAE threads and a low design without a breather cap. It has a minimum opening pressure of 160 mbar, making it suitable for venting excess pressure in hydraulic and pneumatic systems to prevent seal damage and component failure
SAE high-design pressure-relief breather vent with stainless steel cap and brass body. Minimum opening pressure of 20 mbar. Used to relieve pressure buildup in sealed enclosures, gearboxes, and fluid systems, protecting seals and components
JW WINCO
SAE high-design pressure-relief breather vent with stainless steel cap and brass body. Minimum opening pressure of 20 mbar. Used to relieve pressure buildup in sealed enclosures, gearboxes, and fluid systems, protecting seals and components