521-806HN 1-1/4IN PLUG SQUARE HEAD BLACK

PART 643637

SUPPLIER B & K LLC

SUPPLIER PART # 521-806HN

RANK B

SHELF PACK 5

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About this item

The B&K Products 521-806HN is a high-quality 1-1/4-inch MIP (Male Iron Pipe) Black Iron Plug designed for sealing off female threaded fittings or pipes. This square head plug is part of the 150-lb class malleable fittings series and is ideal for industrial and DIY applications where durability and pressure resistance are essential.

Key Features:

Type: Square Head Plug
Material: Black Iron
Connection: MIP (Male Iron Pipe)
Size: 1-1/4 inch
Pressure Rating: Up to 500 PSI
Temperature Rating: Up to 150°F
Thread Standard: ANSI/ASME B1.20.1
Compliance: Meets ASTM and ASME standards
Class: 150-lb malleable fittings
Seal Quality: Relative softness of metal ensures a secure seal

Applications:

Transporting lubricant, oil, grease
Handling liquefied petroleum (LP) gas, natural gases (e.g., nitrogen, oxygen)
Use with steam and diesel
Ideal for non-potable water systems
Suitable for DIY plumbing and industrial projects

⚠️ Note: This fitting is not designed for potable water applications.

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Brand LDR Malleables

Nominal Size 1-1/4 in

Color Black

Model 521-806HN

Product Name 1-1/4-in MIP Black Iron Plug

Type Square Head Plug

Material Black Iron

Connection Type MIP (Male Iron Pipe)

Size 1-1/4 inch

Pressure Rating 500 PSI

Temperature Rating 150°F

Class 150-lb class malleable fittings

Thread Standard ANSI/ASME B1.20.1

Compliance Meets ASTM and ASME standards

Applications Lubricant, oil, grease, LP gases, fuel, nitrogen, oxygen, steam, diesel

Potable Water Use Not designed for potable water applications

UPC Code 032888406841

Shelf Pack 5

Minimum Order Qty 1

521-806HN 1-1/4IN PLUG SQUARE HEAD BLACK

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