Breco B-6601-6-6, 3/8" ISO-A Hydraulic Coupler x 3/8"-18 Female NPT, ISO-A Series, Steel
Rugged hydraulic connections for mobile and in-plant equipment. The Breco B-6601-6-6 is a steel 3/8" coupler from the ISO-A "6600" Series, conforming to ISO 7241-1 Series A and rated to 4000 PSI. Built for construction equipment, dump trucks, snow plows, and plant machinery.
Specifications
- Brand: Breco
- Series: ISO-A (6600, ISO 7241-1 Series A)
- Part Number: B-6601-6-6
- Interchange: 3/8" ISO 7241-1 Series A
- Body: 3/8" Coupler
- Thread: 3/8"-18 Female NPT, FPT
- Type: Two-Way Shut-Off
- Locking: Ball-locking mechanism
- Operation: Manual sleeve, connect/disconnect at zero pressure
- Material: Steel, case-hardened sleeves
- Max Working Pressure: 4000 PSI
- Temperature Range: -10F to +250F (std seals)
- Quantity: 1pc
- Origin: Made in USA
Why this coupler
- ISO 7241-1 Series A conforming — which means it interchanges with the Series A standard used across mobile hydraulics.
- Two-way shut-off — which means both halves seal at disconnect to prevent fluid loss and contamination.
- Ball-locking mechanism — which means a reliable, vibration-resistant connection every time.
- Case-hardened sleeves — which means resistance to brinelling and mechanical shock for long service life.
Frequently asked questions
What does this connect to?
It conforms to ISO 7241-1 Series A and interchanges with other Series A plugs of the same size.
What pressure is it rated for?
Rated to 4000 PSI working pressure.
Where is it used?
Construction equipment, dump trucks, snow plows, refuse and mining equipment, and in-plant hydraulic machinery.
Pair this coupler with a matching 3/8" ISO 7241-1 Series A plug for a complete, leak-free hydraulic connection.
Why buy from hpcouplers: Breco quality, responsive US-based support, accurate specs, fast shipping.