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Square Head Plugs for NPT Threads protect NPT threads and fittings from moisture, dust and damage during low-pressure testing and in-plant handling. They can also be used as masking during plating and painting and are not intended for permanent applications.
Square Head Plugs for National Pipe Thread (NPT) Threads
Square Head Plugs for National Pipe Thread (NPT) Threads - 2
Unit of Measure
Items Square Head Plugs for National Pipe Thread (NPT) Threads
04MSPN0125RD4
Square Head Plug for National Pipe Thread (NPT) 1/8-27 Size
Square Head Plugs for National Pipe Thread (NPT) Threads
04MSPNO25ORD4
Square Head Plug for National Pipe Thread (NPT) 1/4-18 Size
Square Head Plugs for National Pipe Thread (NPT) Threads
04MSPNO375RD4
Square Head Plug for National Pipe Thread (NPT) 3/8-18 Size
Square Head Plugs for National Pipe Thread (NPT) Threads
04MSPN0500RD4
Square Head Plug for National Pipe Thread (NPT) 1/2-14 Size
Square Head Plugs for National Pipe Thread (NPT) Threads
04MSPN075ORD4
Square Head Plug for National Pipe Thread (NPT) 3/4-14 Size
Description N/A Square Head Plugs for NPT Threads protect NPT threads and fittings from moisture, dust and damage during low-pressure testing and in-plant handling. They can also be used as masking during plating and painting and are not intended for permanent applications.
Shape N/A Square
Material N/A Polyethylene
Color N/A Red
Length N/A 0.37 in9.4 mm N/A 0.43 in10.9 mm N/A 0.49 in12.4 mm N/A 0.55 in14 mm N/A 0.64 in16.3 mm
Head Size N/A 0.28 in7.1 mm N/A 0.38 in9.7 mm N/A 0.44 in11.2 mm N/A 0.56 in14.2 mm N/A 0.62 in15.7 mm
To Fit National Pipe Thread (NPT) N/A 1/8-27 N/A 1/4-18 N/A 3/8-18 N/A 1/2-14 N/A 3/4-14
Stem Height N/A 0.25 in6.4 mm
Threaded Area Length N/A 0.29 in7.4 mm N/A 0.35 in8.9 mm N/A 0.42 in10.7 mm N/A 0.47 in11.9 mm N/A 0.52 in13.2 mm
Features and Benefits N/A
  • Protects threaded components during production, shipping and storage
  • Square head allows easy installation
  • Sizes to fit 1/8-27 through 1-1/2" 11-1/2 NPT Threads