Value Collection MSCNB03040 Black Pipe Nipple 3/8x4 Sch 40

Product Description

The VALUE COLLECTION MSCNB03040 is a black steel pipe nipple designed for use in plumbing, HVAC, gas distribution, and general industrial piping systems. It measures 3/8 inch in diameter and 4 inches in length, with Schedule 40 wall thickness for standard-duty service. The welded steel construction provides reliable pressure-rated performance. Both ends are threaded with MNPT connections, allowing direct makeup into female NPT fittings on both sides. Licensed plumbers and pipefitters install this fitting as part of branch connections, riser extensions, close-coupled assemblies, and other threaded pipe runs. The black finish is standard for gas-service piping and non-potable applications.

This nipple is commonly used in residential and light commercial gas supply lines, hydronic heating systems, air and steam distribution, and general-purpose black iron pipe assemblies. It is suited for applications where a short threaded extension or offset is needed between fittings, valves, or equipment connections. The 3/8 inch pipe size makes it a standard fit for branch lines, appliance connections, and low-flow service runs.

Key Features

• Schedule 40 wall thickness for standard-duty pressure service
• Welded steel construction for consistent strength along the pipe body
• MNPT x MNPT threading on both ends for direct makeup into female NPT fittings
• Black finish standard for gas-service and non-potable piping applications
• Compact 4-inch length suited for close-coupled and short-extension runs

Compatibility

Designed as an OEM-style replacement or standard component for 3/8 inch Schedule 40 black iron threaded pipe systems using NPT connections.

Installation Notes

Installation is performed by licensed plumbers or pipefitters following applicable code requirements, including the International Fuel Gas Code for gas-service applications. Shut off and depressurize the line before disassembly or installation. Apply an approved thread sealant or PTFE tape rated for the service medium to all male threads before makeup. Do not over-tighten threaded connections, as steel nipples can crack cast fittings if excessive torque is applied.