JW WINCOPressure-Relief Breather Vents

JW WINCO Breather Valve: 3/8", SAE, High Design with Stainless Steel Breather Cap Design

The JW WINCO Breather Valve is a 3/8" SAE pressure-relief breather vent with a brass body and stainless steel cap design. It features a minimum opening pressure of 20 mbar (MPN 883-G3/8-20-B-MS).

SKU 3G-OTH-591709

Brand

JW WINCO

Item

Breather Valve: 3/8", SAE, High Design with Stainless Steel Breather Cap Design

Technical Specifications

JW WINCO

Manufacturer Part Number

883-G3/8-20-B-MS 

Type

SAE, High Design with Stainless Steel Breather Cap Design, Brass 

Thread Size

3/8" 

Thread Type

SAE

Body Material

Brass 

Opening Pressure - Minimum

20 mbar 

View Full Spec Sheet

Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Breather Valve is a 3/8" SAE pressure-relief breather vent with a brass body and stainless steel cap design. It features a minimum opening pressure of 20 mbar (MPN 883-G3/8-20-B-MS).

Frequently Asked Questions

What is a JW WINCO 883-G3/8-20-B-MS breather valve used for?

This JW WINCO breather valve relieves pressure buildup in hydraulic or lubrication systems, preventing seal damage and contamination ingress. It is commonly used in gearboxes, reservoirs, and fluid power equipment where a 3/8" SAE port is required.

What are the specifications of the JW WINCO 883-G3/8-20-B-MS breather valve?

The JW WINCO 883-G3/8-20-B-MS is a 3/8" SAE pressure-relief breather vent with a brass body and stainless steel cap. Its minimum opening pressure is 20 mbar. The high-design cap protects against debris while allowing air exchange.

Where to buy a JW WINCO 883-G3/8-20-B-MS breather valve worldwide?

3G Electric supplies the JW WINCO 883-G3/8-20-B-MS breather valve worldwide. We handle full logistics and customs clearance to deliver this brass-bodied, stainless steel cap breather to industrial facilities globally. Contact us for availability and lead time.

How to install a JW WINCO 883-G3/8-20-B-MS breather valve?

Install the JW WINCO breather valve by threading it into a 3/8" SAE port on a reservoir or gearbox. Tighten to a snug fit using a wrench on the hex body. Ensure the stainless steel cap is upright and unobstructed for proper pressure relief at 20 mbar.

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 →