Tectran 109C Brass Square Head Pipe Plug NPT - 1/4

The Tectran 109C is a solid brass square head pipe plug designed for use in air, hydraulic, and pneumatic systems on heavy trucks, trailers, and buses. Featuring a standard 1/4" NPT (National Pipe Taper) male thread, this plug is used to seal open pipe ports, block unused fittings, and prevent contamination in pressurized systems.

Key Features:

• Material: Yellow brass construction for corrosion resistance and long service life
• Thread Size: 1/4"-18 NPT male pipe thread
• Head Style: Square head for easy wrench installation and removal
• Overall Length: 0.70"
• Solid plug design — no hollow or drilled passages
• Compatible with brass, steel, iron, and aluminum threaded pipe

Tectran is a trusted manufacturer of air, hydraulic, and electrical components for the transportation industry, serving heavy truck, trailer, and bus applications since 1972. A thread sealant is recommended during installation to ensure a leak-free seal.