3 in. Rigid Locknut, Zinc-Plated | UL 514B | LN-300
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SKU: LN-300
1000 in stock
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CT LN-300 — 3" steel locknut, zinc-plated steel. For RMC / IMC / EMT connectors, trade size 3. UL 514B.
| Part No. | LN-300 |
|---|---|
| Trade size | 3 in — fits OD 3.500 in |
| Raceway | RMC / IMC / EMT connectors |
| Material / finish | Zinc-plated steel |
| Listing | UL 514B |
| Package | Sold each; box quantities priced through the trade desk |
Cross-Reference: LN-300
| Brand | Part Number | Notes |
|---|---|---|
| RACO | 1012 | Same trade size and fitting type |
| Bridgeport | 108-S | Same trade size and fitting type |
| Conversions Tech | LN-300 | Stocked; same-day shipping on in-stock items |
Crosses match trade size, fitting type and listing class. Verify fit against the manufacturer data sheet for your application. Trademarks belong to their owners. Look up any competitor number on the cross-reference hub.
Where it's used
- Securing threaded connectors, hubs and nipples at the enclosure wall
- Bonding the raceway to the box when run wrench-tight
- Rigid and IMC service and feeder entries
How to install
Run the locknut wrench-tight against the enclosure wall so the teeth bite through paint for a bonded connection (NEC 250.96). Add a bushing on 4 AWG and larger.
Stocked — same-day shipping on in-stock items. Volume and trade pricing through the trade desk.
Why Pros Buy Direct from Conversions Tech
Quality-tested and UL Listed. Every product we carry is built to our specifications by certified manufacturing partners and quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
