Anvil 0318913803 3 In NPT Hex Locknut Trap
A 3-inch NPT hex locknut in black malleable iron for low-pressure plumbing systems carrying air, water, natural gas or steam
- Product typeDrain Components
- 3 In NPT thread fits standard drain pipes
- Black malleable iron resists corrosion in wet systems
- Hex locknut design allows secure hand tightening
- Suitable for air, water, gas and steam lines
3 Inch NPT Hex Locknut
This Anvil drain component is a black malleable iron hex locknut with a 3 inch NPT thread. It suits low-pressure plumbing installations carrying air, water, natural gas or steam. The fitting provides a secure mechanical joint for pipework in residential or light commercial systems. Installers use it where a reliable threaded connection is required.
Threaded connection for pipework
The locknut mates with a matching 3 inch NPT threaded pipe or fitting to complete the assembly. It requires a wrench engaging the hex flats for proper tightening. The malleable iron construction withstands the pressures found in the listed service media. Buyers needing a different thread size or a non-NPT standard cannot use this part.
How it compares
Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.
- Price $31.99
- Typical for this category: the median of 4,240 items is $31.99.
Specifications
| Product | |
|---|---|
| Brand name | Anvil |
| Model name | 0318913803 |
| Product type | Drain Components |
Questions about this item
What is the thread size and type on the Anvil 0318913803 hex locknut?
The locknut uses a 3-inch NPT thread for low-pressure plumbing connections.
How does the black malleable iron construction handle heat during continuous steam service?
Black malleable iron resists thermal cycling in low-pressure steam lines without deforming.
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