Threaded Plastic Plugs for MS-21921 Flareless Tube and Nut Assemblies are knurled for easy assembly and removal by hand. They interchangeably fit MS21921 tube and nut assemblies.
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Item #

Item Name

Length

Flange Outside Diameter

Color

N/A 8.9 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.35 in8.9 mm N/A 0.5 in12.7 mm N/A Red
N/A 10.2 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.4 in10.2 mm N/A 0.56 in14.2 mm N/A Red
N/A 11.7 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.46 in11.7 mm N/A 0.63 in16 mm N/A Red
N/A 12.2 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.48 in12.2 mm N/A 0.68 in17.3 mm N/A Red
N/A 13.7 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.54 in13.7 mm N/A 0.87 in22.1 mm N/A Red
N/A 15.7 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.62 in15.7 mm N/A 1 in25.4 mm N/A Red
N/A 16.3 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.64 in16.3 mm N/A 1.25 in31.8 mm N/A Red
N/A 18.3 Millimeter (mm) Length Threaded Plastic Plug for MS-21921 Flareless Tube and Nut Assemblies N/A 0.72 in18.3 mm N/A 1.500 in38.10 mm N/A Red
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