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B & K

1/2 in. MIP Malleable Iron Black Pipe Plug - 1-Pack

Mfg.#
521-803HN
Sku#
2618460
  • Generally used for lubricant, oil, grease, liquefied petroleum (LP) gas, natural gases (nitrogen, oxygen, etc.), steam and diesel
  • 150-lb class malleable fittings
  • Relative softness of metal helps provide a sure seal
  • This fitting works up to 500 PSI at 150°F
  • Threaded ends comply with ANSI/ASME B1.20.1 standards

* Estimated stock levels as of Wed, Apr 1, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

Square Head Plugs allow you to seal off female threaded fittings or pipes. General uses for this product are for transporting lubricant, oil, grease, LP gases & fuel or to create your own DIY projects. This fitting is not designed for potable water applications.

Specifications

General

Fitting Material Malleable Iron
Fitting Nominal Size 1/2" MIP
Inlet Connection Type MIP
PSI 500
Type Black Pipe Plug

Manufacturing Details
The following information is subject to change without notice

Country of Origin China
Manufacturer Warranty 1 yr Limited
Prop 65 Warning Warning Warning: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Label Information

Certification, Codes, Standards Malleable iron fittings meet material: ANSI/ASTM A-197; dimensions: ANSI/ASME B.16.3, B-16.14, B16-39 and Threads: ANSI/ASME B1. 20.1 specification and 150 class ANSI/ASME B 16.3 dimensions. Male threaded connection complies with ANSI B1.20.3

Related Documents

Brochure (PDF)

Installation Guide (PDF)

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