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| Conduit | Adapter |
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| Connector | Locknut |
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| Grommet | Bushing |
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| Reducing Washer | Reducing Adapter |
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| Support Clip | Reducer |
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| Grounding Clamp |
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Conduit Connection Type Conduit Connection Type |
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 | Threaded |
About Conduit
More
Locknuts for Metal Conduit Fittings
Zinc-Plated Steel, 316
Stainless Steel,
and Brass
Stainless Steel,
and Brass
Zinc-Plated Steel with PVC Molded Gasket
Secure threaded metal conduit fittings to a knockout in an outlet box or enclosure.
Zinc-plated steel and 316 stainless steel locknuts are compatible with NPT and NPSM threads.
Zinc-plated steel locknut with PVC molded gasket creates a seal for moisture protection.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||
|---|---|---|---|---|
NPSM Threads | ||||
| 1/2 | UL Listed, CSA Certified | 10 | 00000000 | 00000 |
| 3/4 | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 1/4 | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 1 1/2 | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
| 2 | UL Listed, CSA Certified | 10 | 00000000 | 0000 |
Zinc-Plated Steel with PVC Molded Gasket | ||||
NPSM Threads | ||||
| 1/2 | UL Listed, CSA Certified | 2 | 00000000 | 0000 |
| 3/4 | UL Listed, CSA Certified | 2 | 00000000 | 0000 |
| 1 | UL Listed, CSA Certified | 2 | 00000000 | 0000 |
| 1 1/4 | UL Listed, CSA Certified | 2 | 00000000 | 0000 |
| 1 1/2 | UL Listed, CSA Certified | 2 | 00000000 | 0000 |
| 2 | UL Listed, CSA Certified | 2 | 00000000 | 0000 |
| Each | ||||
316 Stainless Steel | ||||
NPSM Threads | ||||
| 1/2 | UL Listed, C-UL Listed | __ | 00000000 | 0000 |
| 3/4 | UL Listed, C-UL Listed | __ | 00000000 | 0000 |
| 1 | UL Listed, C-UL Listed | __ | 00000000 | 0000 |
| 1 1/4 | UL Listed, C-UL Listed | __ | 00000000 | 00000 |
| 1 1/2 | UL Listed, C-UL Listed | __ | 00000000 | 00000 |
| 2 | UL Listed, C-UL Listed | __ | 00000000 | 00000 |
Brass | ||||
Metric Threads | ||||
| M12 | DIN EN 60204 | __ | 0000000 | 0000 |
| M16 | DIN EN 60204 | __ | 0000000 | 0000 |
| M20 | DIN EN 60204 | __ | 0000000 | 0000 |
| M32 | DIN EN 60204 | __ | 0000000 | 0000 |
| M40 | DIN EN 60204 | __ | 0000000 | 00000 |
| M50 | DIN EN 60204 | __ | 0000000 | 00000 |
Locknuts for Plastic Conduit Fittings
Nylon
PVC
Secure threaded plastic conduit fittings to a knockout in an outlet box or enclosure. PVC locknuts are compatible with PVC Schedule 40 and Schedule 80 conduit with NPT and NPSM threads.
For technical drawings and 3-D models, click on a part number.
Black | Gray | ||||
|---|---|---|---|---|---|
| Thread Size | Specifications Met | Each | Each | ||
Nylon | |||||
NPT Threads | |||||
| 1/4 | __ | 00000000 | 00000 | 00000000 | 00000 |
| 3/8 | __ | 00000000 | 000 | 00000000 | 000 |
| 1/2 | __ | 00000000 | 000 | 00000000 | 000 |
| 3/4 | __ | 00000000 | 000 | 00000000 | 000 |
| 1 | __ | 00000000 | 0000 | 00000000 | 0000 |
| 1 1/4 | __ | 00000000 | 0000 | 00000000 | 0000 |
| 1 1/2 | __ | 00000000 | 0000 | 00000000 | 0000 |
| 2 | __ | 00000000 | 0000 | 00000000 | 0000 |
PG Threads | |||||
| PG-7 | __ | 0000000 | 000 | 00000000 | 000 |
| PG-9 | __ | 00000000 | 000 | 00000000 | 000 |
| PG-11 | __ | 0000000 | 0000 | 00000000 | 000 |
| PG-13.5 | __ | 0000000 | 0000 | 0000000 | 0000 |
| PG-16 | __ | 0000000 | 0000 | 00000000 | 0000 |
| PG-21 | __ | 0000000 | 0000 | 00000000 | 0000 |
| PG-29 | __ | 0000000 | 0000 | 00000000 | 0000 |
| PG-36 | __ | 0000000 | 0000 | 00000000 | 0000 |
| PG-42 | __ | 00000000 | 0000 | 00000000 | 0000 |
| PG-48 | __ | 00000000 | 0000 | 00000000 | 0000 |
Metric Threads | |||||
| M12 | __ | 00000000 | 0000 | 00000000 | 0000 |
| M16 | __ | 00000000 | 0000 | 00000000 | 0000 |
| M20 | __ | 0000000 | 0000 | 00000000 | 0000 |
| M25 | __ | 00000000 | 0000 | 00000000 | 0000 |
| M32 | __ | 00000000 | 0000 | 00000000 | 0000 |
| M40 | __ | 00000000 | 0000 | 00000000 | 0000 |
| M50 | __ | 00000000 | 00000 | 00000000 | 00000 |
| M63 | __ | 00000000 | 00000 | 00000000 | 00000 |
PVC | |||||
NPSM Threads | |||||
| 1/2 | UL Recognized | 000000 | 00 | 0000000 | 000 |
| 3/4 | UL Recognized | 000000 | 00 | 0000000 | 000 |
| 1 | UL Recognized | 000000 | 00 | 0000000 | 000 |
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)