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RACO LockNut for Threaded RMC/IMC, 3/4 in Trade Size, Steel, Zinc Plated - Locknuts for Threaded Conduit (RMC/IMC)
RACOLocknuts for Threaded Conduit (RMC/IMC)

RACO LockNut for Threaded RMC/IMC, 3/4 in Trade Size, Steel, Zinc Plated

The RACO LockNut for Threaded RMC/IMC (MPN 1003) is a non-insulated steel locknut with a zinc-plated finish, designed for 3/4 in trade size rigid metal conduit (RMC) and intermediate metal conduit (IMC). This product…

SKU 3G-OTH-07086

Brand
RACO
Item
LockNut for Threaded RMC/IMC, 3/4 in Trade Size, Steel, Zinc Plated
Part Number
1003
Category
Locknuts for Threaded Conduit (RMC/IMC)
Available to Order
Also known as:1003RACO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RACO
Manufacturer Part Number
1003
Insulated
No
For Conduit Type
RMC

Technical Documents

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

Product Description

The RACO LockNut for Threaded RMC/IMC (MPN 1003) is a non-insulated steel locknut with a zinc-plated finish, designed for 3/4 in trade size rigid metal conduit (RMC) and intermediate metal conduit (IMC). This product is intended for use with RMC conduit only, as specified by the manufacturer.

Frequently Asked Questions

What is the RACO LockNut for Threaded RMC/IMC used for?

The RACO LockNut (MPN 1003) secures threaded rigid metal conduit (RMC) and intermediate metal conduit (IMC) to junction boxes or enclosures. It provides a mechanical connection and grounding path in industrial electrical installations, such as in manufacturing plants, warehouses, and commercial buildings.

What are the specifications of the RACO LockNut 1003?

The RACO LockNut 1003 is a non-insulated steel locknut with a zinc-plated finish. It has a 3/4 in trade size and is designed for RMC conduit type. The manufacturer part number is 1003. It is not insulated and is intended for use with RMC and IMC conduit.

Where to buy RACO LockNut 1003 worldwide?

3G Electric supplies the RACO LockNut 1003 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other electrical components across 14 industrial departments.

How to install a RACO LockNut on threaded conduit?

To install the RACO LockNut, thread it onto the conduit end after inserting the conduit into the enclosure knockout. Tighten the locknut against the enclosure wall using a screwdriver and hammer or a locknut wrench. Ensure the locknut seats firmly to maintain a secure mechanical and electrical connection.

Used in

Common applications for RACO
Industrial machinery — RACO liquid-tight connectors (e.g., 3520-3, 3414) terminate flexible metallic conduit at motor and control enclosures.
Water and wastewater treatment — RACO 90-degree liquid-tight connectors (e.g., 3430) route conduit in washdown and outdoor areas requiring liquid-tight terminations.
Commercial electrical raceways — RACO short elbows (e.g., 1/2 in and 3/4 in iron elbows) change direction in IMC and RMC runs per UL 514B.
Panel and equipment wiring — RACO flex screw-in couplings (e.g., 2272) join sections of 1/2 in flexible conduit between machines and junction points.
Raceway transitions — RACO flex-to-EMT couplings (e.g., 1482, 1483) connect flexible conduit to EMT in mixed raceway installations.
Maintenance and repair — RACO conduit fittings and boxes are stocked as spares for replacing damaged terminations and couplings in existing raceways.
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RACO Products

3G Electric supplies RACO locknuts for threaded conduit (rmc/imc). We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Steel locknut with zinc plating for securing threaded rigid metal conduit (RMC) and intermediate metal conduit (IMC) to boxes or enclosures. Non-insulated design provides mechanical connection and grounding continuity. For 1 1/2 in trade size conduit
RACO
Steel locknut with zinc plating for securing threaded rigid metal conduit (RMC) and intermediate metal conduit (IMC) to boxes or enclosures. Non-insulated design provides mechanical connection and grounding continuity. For 1 1/2 in trade size conduit

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