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PFM1259406 1/2 Black Steel Square Head Plug Domestic (...)

The WardFlex® D.BSSP solid plug is crafted from high-strength carbon steel with a black-oxide finish, designed for sealing 1/2″ NPS threaded pipe openings. The plug features a square head measuring approximately 0.38″ high with flats of 0.56″ across, enabling easy wrench engagement. Engineered to ANSI/ASME B1.20.1 thread specification and ASME B16.4 dimension standards, it is rated for 125 lb pressure class and suitable for general service in plumbing, heating, and gas applications. Manufactured domestically, it complies with AB-1953 low-lead regulation and Federal Specification WW-P-471.

Black-oxide carbon steel solid plug with square head, male threaded end, and 1/2″ nominal pipe size, suitable for sealing unused ports.

Manufacturer: ASC Engineered Solutions

Product Features

  • Carbon steel construction with black-oxide finish
  • Square head: ~0.38″ high, 0.56″ across flats
  • 1/2″ NPS male-threaded connection per ANSI/ASME B1.20.1
  • Pressure rating: 125 lb class
  • Meets ASME B16.4 dimensions
  • ANSI-compliant threads; Federal WW-P-471 spec
  • AB-1953 compliant, domestic manufacture for quality assurance
Specification Sheet

Product Attributes

PFM1259406
Type Square Head, Solid
Width Across Flat 0.56 Inch
End Connection Male Threaded
Nominal Pipe Size 1/2 Inch
Material Steel
Finish Black

Availability