• Hex Socket Plugs for National Pipe Thread (NPT) Threads and Fittings
  • Hex Socket Plugs for National Pipe Thread (NPT) Threads and Fittings - 2
Hex Socket Plugs for NPT Threads and Fittings protect threads during low-pressure testing and in-house processing or handling. They are not intended for permanent applications.
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Item #

Item Name

Inside Diameter

Inside Length

To Fit National Pipe Thread (NPT)

N/A Hex Socket Plug for National Pipe Thread (NPT) 1/4-18 Size Thread N/A 0.260 in6.6 mm N/A 0.31 in7.9 mm N/A 1/4-18
N/A Hex Socket Plug for National Pipe Thread (NPT) 3/8-18 Size Thread N/A 0.330 in8.40 mm N/A 0.38 in9.7 mm N/A 3/8-18
N/A Hex Socket Plug for National Pipe Thread (NPT) 1/2-14 Size Thread N/A 0.390 in9.90 mm N/A 0.38 in9.7 mm N/A 1/2-14
N/A Hex Socket Plug for National Pipe Thread (NPT) 3/4-14 Size Thread N/A 0.570 in14.5 mm N/A 0.47 in11.9 mm N/A 3/4-14
N/A Hex Socket Plug for National Pipe Thread (NPT) 1-11 1/2 Size Thread N/A 0.64 in16.3 mm N/A 0.59 in15 mm N/A 1-11 1/2
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