
Commercial Ordering FAQ
How do I verify that Masterdrive 10S-65MM – Couplng Flnge, 65"Bore Dia, 3600 RPMax Speed is the correct replacement part for my equipment?
Check the OEM part number (10S-65MM) against your equipment nameplate or the manufacturer's repair parts list before ordering. If you are not sure, call the National Boiler Supply order desk at 850-565-3492 and we can cross-reference your equipment model and serial numbers before the order ships.
What are the shipping and freight options for Masterdrive orders?
Standard parcel orders ship quickly from commercial distribution centers. Shipping is a $35 flat rate on orders under $999, and qualifying orders of $999 or more ship free by ground. Heavy equipment that has to move by LTL freight is quoted after the order is placed and confirmed with you before dispatch.
Can contractors or facility managers request a formal quote or use a Purchase Order (PO)?
Yes. National Boiler Supply works with commercial contractors, mechanical engineers, municipalities, and facility teams. Call 850-565-3492 for a formal quote, bulk pricing, or PO and tax-exempt order processing.
What if this Masterdrive part is marked Call to Order or needed for an emergency repair?
Call our order desk at 850-565-3492. We can confirm factory lead times right away and arrange expedited air or hot-shot delivery when a repair cannot wait.
National Boiler Supply supplies the Masterdrive 10S-65MM Couplng Flnge to contractors, facility teams, and purchasing departments. Get fast dispatch, contractor-ready quotes, and order desk support at 850-565-3492.
Product Details
Coupling Flange, Coupling Size 10, Maximum Speed 3,600 RPM, Outside Diameter 7 1/2 in, Bore Type Round Keyed, Hub Diameter 4 3/8 in, Hub Material Cast Iron, Bore Diameter 65 mm, Length through Bore 2 21/32 in, System of Measurement Metric, Hub Body Length 1 7/32 in, Hub Type Flange Hub, Bushing Bore Range 30 to 65 mm, Coupling Overall Length 5 11/16 in, Features Exceptional Torsional Flexibility, Maintenance Free, Quick and Easy Installation.
Technical Specifications
| Brand | Masterdrive |
|---|---|
| Manufacturer Part Number | 10S-65MM |
OEM Part Verification: Confirm Masterdrive part number 10S-65MM against your equipment nameplate or parts list before ordering. Our order desk can cross-check it for you.
Order Desk Support: Call 850-565-3492 for formal quotes, lead times, and volume pricing.
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.