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66373 1/2 Square Plug Solid

SKU 610-3048
Original price $1.95 - Original price $1.95
Original price $1.95
$1.95
$1.95 - $1.95
Current price $1.95
In-Store Availability
Stock Status: Limited Stock (1-2?) Location: Aisle 9
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In-Store Only — Visit us in Gap, PA to purchase

Overview

The 66373 1/2 Square Plug Solid (31-1/2B) is designed for hardware plumbing fittings and supports, specifically as a malleable screwed plug for steam and water line applications.

Specification Value
MPN 31-1/2B
Brand PROSOURCE
Manufacturer Worldwide Sourcing
Pipe Size 1/2 inch
Working Pressure Up to 150 PSI (steam and water)
Head Style Square head
Material / Finish Malleable iron, black
Connection Type Screwed (threaded)
Weight 3.91 lb
Package Dimensions 18.5 x 12.59 x 9.44 in

Technical Features

  • Malleable iron construction: Provides the ductility and impact resistance required to withstand mechanical stress in threaded pipe assemblies.
  • 150 PSI rated working pressure: Rated for both steam and water service, making it suitable for a broad range of pressurized plumbing systems.
  • Square head design: Allows positive engagement with a wrench for secure installation and removal without slippage.
  • Screwed (threaded) connection: Enables straightforward installation into standard threaded pipe fittings without the need for specialized tooling.
  • Black finish: Consistent with standard black malleable iron pipe fitting conventions, suitable for gas, steam, and water distribution systems.
  • 1/2 inch pipe size: Fits standard 1/2 inch threaded pipe openings, a common size across residential and light commercial plumbing infrastructure.

Applications

  • Sealing or capping open 1/2 inch threaded pipe ends in steam distribution systems up to 150 PSI.
  • Terminating unused ports or branch connections in water supply lines.
  • Use in black iron pipe assemblies for gas, steam, or water service where a solid, pressure-rated plug is required.
  • Maintenance and repair applications requiring a removable, reusable threaded pipe closure.
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