EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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Square Head Flanged Plugs for NPT Threads protect NPT Threads 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 Flanged Plugs for National Pipe Thread (NPT) Threads
Square Head Flanged Plugs for National Pipe Thread (NPT) Threads - 2
Unit of Measure
1 

Item #

Item Name

To Fit National Pipe Thread (NPT)

Flange Outside Diameter

Threaded Area Length

04MSFPN0125RD4 N/A Square Head Flanged Plug for National Pipe Thread (NPT) 1/8-27 Size Thread N/A 1/8-27 N/A 0.55 in14.0 mm N/A 0.29 in7.4 mm
04MSFPNO250RD4 N/A Square Head Flanged Plug for National Pipe Thread (NPT) 1/4-18 Size Thread N/A 1/4-18 N/A 0.670 in17 mm N/A 0.35 in8.9 mm
04MSFPNO375RD4 N/A Square Head Flanged Plug for National Pipe Thread (NPT) 3/8-18 Size Thread N/A 3/8-18 N/A 0.800 in20.3 mm N/A 0.41 in10.4 mm
04MSFPN0500RD4 N/A Square Head Flanged Plug for National Pipe Thread (NPT) 1/2-14 Size Thread N/A 1/2-14 N/A 0.98 in24.9 mm N/A 0.47 in11.9 mm
04MSFPN0750RD4 N/A Square Head Flanged Plug for National Pipe Thread (NPT) 3/4-14 Size Thread N/A 3/4-14 N/A 1.240 in31.5 mm N/A 0.52 in13.2 mm
Unit of Measure
1