We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

BRIDGEPORT FITTINGS Threaded Coupling - Three-Piece: Iron, 3 1/2 in Trade Size, RMC - Self-Aligning Three-Piece Threaded Couplings
BRIDGEPORT FITTINGSSelf-Aligning Three-Piece Threaded Couplings

BRIDGEPORT FITTINGS Threaded Coupling - Three-Piece: Iron, 3 1/2 in Trade Size, RMC

The BRIDGEPORT FITTINGS Threaded Coupling is a self-aligning three-piece threaded coupling for RMC conduit, with a 3 1/2 in trade size. It is non-insulated and rain-tight, as indicated by the manufacturer part number…

SKU 3G-OTH-06911

Also listed as: 1129RT · 1129 RT

Brand
BRIDGEPORT FITTINGS
Item
Threaded Coupling - Three-Piece: Iron, 3 1/2 in Trade Size, RMC
Category
Self-Aligning Three-Piece Threaded Couplings
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BRIDGEPORT FITTINGS
Manufacturer Part Number
1129-RT
Type
- Three-Piece: Iron, RMC, Rain Tight
Insulated
No
Trade Size
3 1/2 in
Compatible Conduit Type
RMC

Technical Documents

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BRIDGEPORT FITTINGS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BRIDGEPORT FITTINGS Threaded Coupling is a self-aligning three-piece threaded coupling for RMC conduit, with a 3 1/2 in trade size. It is non-insulated and rain-tight, as indicated by the manufacturer part number 1129-RT.

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 a BRIDGEPORT FITTINGS three-piece threaded coupling used for?

This self-aligning three-piece coupling connects rigid metal conduit (RMC) in electrical raceway systems. Its rain-tight design makes it suitable for outdoor or wet-location installations where a secure, weatherproof joint is required.

What are the specifications of the BRIDGEPORT FITTINGS 1129-RT coupling?

The 1129-RT is a three-piece iron coupling with a 3 1/2 in trade size, compatible with RMC conduit. It is non-insulated and rated rain tight. The self-aligning design simplifies installation by automatically centering the conduit ends.

Where to buy BRIDGEPORT FITTINGS couplings in worldwide?

3G Electric supplies BRIDGEPORT FITTINGS couplings worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 1129-RT rain-tight coupling to your site, regardless of location.

How to install a BRIDGEPORT FITTINGS three-piece threaded coupling?

Thread the coupling onto the first RMC conduit end, then insert the second conduit and tighten the center ring. The self-aligning feature ensures proper alignment without special tools. Always follow NEC guidelines for rain-tight connections in wet locations.

Used in

Common applications for BRIDGEPORT FITTINGS
Industrial electrical grounding — Bridgeport Fittings grounding lug hubs (MCH-075) for RMC/IMC conduit connections in manufacturing plants.
Commercial conduit installation — Bridgeport Fittings self-aligning three-piece threaded couplings (1122-RT) for aligning RMC runs in tight spaces.
Substation grounding — Bridgeport Fittings split grounding bushings (SGBS-38840) for bonding large-diameter conduit to enclosures.
Process facility wiring — Bridgeport Fittings grounding locknuts (162-G) for securing IMC or threaded rigid conduit in corrosive environments.
Infrastructure projects — Bridgeport Fittings three-piece couplings (1130-RT) for 4-inch RMC connections in tunnels or utility vaults.

BRIDGEPORT FITTINGS Products

3G Electric supplies BRIDGEPORT FITTINGS self-aligning three-piece threaded couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
RULAND MANUFACTURING Rigid Shaft Coupling: 3/8 in Bore Dia 1, 3/8 in Bore Dia 2, Round Keyed, Inch (MPN SPC-6-6-F)
RULAND MANUFACTURING
RULAND MANUFACTURING Rigid Shaft Coupling: 3/8 in Bore Dia 1, 3/8 in Bore Dia 2, Round Keyed, Inch (MPN SPC-6-6-F)
RULAND MANUFACTURING Rigid Shaft Coupling: 3/8 in Bore Dia 1, 3/8 in Bore Dia 2, Round Keyed, Inch (MPN SPC-6-6-SS)
RULAND MANUFACTURING
RULAND MANUFACTURING Rigid Shaft Coupling: 3/8 in Bore Dia 1, 3/8 in Bore Dia 2, Round Keyed, Inch (MPN SPC-6-6-SS)
RULAND MANUFACTURING Rigid Coupling: 25 mm Bore Dia 1, 3/4 in Bore Dia 2, Round Keyed, Two-Piece (MPN MSPC-25MM-3/4"-SS)
RULAND MANUFACTURING
RULAND MANUFACTURING Rigid Coupling: 25 mm Bore Dia 1, 3/4 in Bore Dia 2, Round Keyed, Two-Piece (MPN MSPC-25MM-3/4"-SS)
RULAND MANUFACTURING Rigid Shaft Coupling: 1/2 in Bore Dia 1, 3/8 in Bore Dia 2, Round, Two-Piece (MPN SPX-8-6-SS)
RULAND MANUFACTURING
RULAND MANUFACTURING Rigid Shaft Coupling: 1/2 in Bore Dia 1, 3/8 in Bore Dia 2, Round, Two-Piece (MPN SPX-8-6-SS)
RULAND MANUFACTURING Rigid Shaft Coupling: 1/2 in Bore Dia 1, 3/8 in Bore Dia 2, Round, Two-Piece (MPN SPX-8-6-F)
RULAND MANUFACTURING
RULAND MANUFACTURING Rigid Shaft Coupling: 1/2 in Bore Dia 1, 3/8 in Bore Dia 2, Round, Two-Piece (MPN SPX-8-6-F)
RULAND MANUFACTURING Rigid Coupling: 3/4 in Bore Dia 1, 15 mm Bore Dia 2, Round Keyed, Two-Piece (MPN MSPC-3/4"-15MM-SS)
RULAND MANUFACTURING
RULAND MANUFACTURING Rigid Coupling: 3/4 in Bore Dia 1, 15 mm Bore Dia 2, Round Keyed, Two-Piece (MPN MSPC-3/4"-15MM-SS)

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