B&K 1/8” x 4-1/2” Black Steel Pipe Nipple | NPT Threaded Fitting for Gas Systems

Overview

B&K 1/8″ × 4-1/2″ Black Steel Pipe Nipple – NPT Threaded FittingThis high-quality black steel pipe nipple from B&K LLC is designed for reliable performance in LP gas, propane, natural gas, air, and general plumbing systems. With 1/8″ NPT male threads on both ends, this fitting is ideal for connecting black pipe sections, extending gas lines, and supporting HVAC or industrial piping layouts.Manufactured from durable black steel, this pipe nipple withstands demanding environments and provides a tight, secure seal when used with properly threaded NPT female fittings. Commonly used in gas distribution, furnace hookups, water heater installation, and industrial equipment connections.Key Features1/8″ NPT × 1/8″ NPT threaded male ends4-1/2″ overall lengthHeavy-duty black steel constructionCorrosion-resistant coating suitable for gas applicationsCompatible with propane, LP gas, natural gas, and compressed air systemsIdeal for plumbing contractors, HVAC techs, and industrial maintenance teamsTypical Use CasesLP and natural gas system pipingAppliance connections (heaters, furnaces, boilers)Extending or modifying black pipe runsIndustrial machinery and equipment hookups

The B&K 1/8″ x 4-1/2″ Black Steel Pipe Nipple is a durable, heavy-duty threaded fitting designed for natural gas, propane, compressed air, plumbing, and industrial piping applications. Manufactured from high-quality black steel, it features male NPT threads on both ends for secure, leak-resistant connections with standard threaded fittings.

Its compact 4-1/2-inch length makes it ideal for extending, repairing, or connecting pipe sections in residential, commercial, and industrial systems. Built to provide dependable performance, this pipe nipple is suitable for demanding gas and fluid transfer applications.

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Features

• Genuine B&K black steel pipe nipple
• Heavy-duty black steel construction
• 1/8″ Male NPT threads on both ends
• 4-1/2″ overall length
• Precision-machined threads for a secure fit
• Durable black finish for corrosion resistance
• Compatible with standard NPT threaded fittings
• Suitable for natural gas, LP propane, and compressed air systems
• Ideal for plumbing, HVAC, and industrial applications
• Built for long-lasting, reliable performance

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Specifications

• Brand: B&K
• SKU / Part Number: IK027
• Product Type: Pipe Nipple
• Material: Black Steel
• Pipe Size: 1/8″
• Length: 4-1/2″
• Thread Type: NPT (National Pipe Thread)
• Connection: Male NPT × Male NPT
• Color: Black / Dark Gray
• Condition: New

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Applications

• Natural gas piping
• LP propane systems
• Residential and commercial plumbing
• HVAC installations
• Compressed air lines
• Industrial piping systems
• Equipment maintenance and repair
• Pipe extensions and replacements

Product details

Part / SKU	1K027

Package includes

• B&K 1/8” x 4-1/2” Black Steel Pipe Nipple | NPT Threaded Fitting for Gas Systems

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.