Tectran 109D Brass Square Head Pipe Plug NPT - 1/2 Pack of 5

The Tectran 109D is a solid brass square head pipe plug featuring a 1/2" male NPT (National Pipe Taper) thread, sold in a convenient pack of 5. Designed for use in air, hydraulic, and pneumatic systems on heavy-duty trucks, trailers, and buses, this plug is used to seal open female-threaded pipe ports and prevent fluid or air leakage.

Key Features:

• Material: Corrosion-resistant solid brass construction for long-lasting durability
• Thread Size: 1/2" MNPT (Male National Pipe Taper)
• Square Head Design: Allows for easy installation and removal with a standard wrench
• Solid plug — fully closes and seals open pipe ports to maintain system integrity
• Compatible with air, hydraulic, and fluid systems on heavy trucks, trailers, and buses
• Built and tested to meet stringent heavy-duty transportation industry standards
• Sold as a pack of 5

Tectran has been a trusted manufacturer of transportation components since 1972, producing air, hydraulic, and electrical fittings designed to withstand demanding commercial vehicle applications. The 109D square head plug is an ideal port sealing solution for fleet maintenance and repair operations.