PARKER Hydraulic Quick Connect Hose Coupling: 3/8 in, Brass, 45.42 lpm Max. Flow Rate
The PARKER ST Series Hydraulic Quick-Connect Coupling Body (SKU 31A957, MPN BST-3M) is a brass, 3/8"-18 Male NPTF coupling with a maximum flow rate of 45.42 lpm. 3G Electric interprets your demand for this genuine…
SKU 3G-OTH-598124
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Product Description
The PARKER ST Series Hydraulic Quick-Connect Coupling Body (SKU 31A957, MPN BST-3M) is a brass, 3/8"-18 Male NPTF coupling with a maximum flow rate of 45.42 lpm. 3G Electric interprets your demand for this genuine PARKER component, sourcing it across our 14 industrial departments and backing it with specialist depth in fluid-power controls.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PARKER ST Series hydraulic quick-connect coupling used for?
The PARKER ST Series coupling body (MPN BST-3M) is used for quick, leak-free connection and disconnection of hydraulic lines in industrial fluid-power systems. It is commonly applied in mobile equipment, machine tools, and hydraulic power units where reliable, high-flow coupling is required.
What are the specifications of the PARKER BST-3M coupling?
The PARKER BST-3M is a brass hydraulic quick-connect coupling body with a 3/8"-18 Male NPTF thread and a maximum flow rate of 45.42 lpm. It is part of the ST Series, designed for durable, leak-resistant connections in hydraulic circuits up to moderate pressures.
Where to buy PARKER BST-3M hydraulic coupling worldwide?
3G Electric supplies the genuine PARKER BST-3M coupling worldwide. We interpret your demand, source the component across our 14 industrial departments, and handle full logistics and customs clearance to deliver to your site. Contact us for availability and lead time.
How to install a PARKER ST Series quick-connect coupling?
To install the PARKER ST Series coupling, ensure the male NPTF threads are clean and apply appropriate thread sealant. Hand-tighten the coupling into the mating port, then use a wrench for final torque per manufacturer guidelines. Always depressurize the system before connection or disconnection.
Used in
Common applications for PARKERPARKER Products
3G Electric supplies PARKER st series hydraulic quick-connect coupling bodies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









