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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Louvered Hole Plugs permit the passage of air for ventilation but limits liquid infiltration. The plug locks firmly into a panel up to 0.250 in (6.40 mm) thick. It is suitable for ventilation in electronic enclosures, motor housings and metal or plastic panels.
HEYCO® Nylon Louvered Vent Type Hole Plugs
Unit of Measure
1 

Item #

Item Name

Head Diameter

Mounting Hole Diameter

Overall Height

20301020-A01 N/A HEYCO® 1.015 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.015 in25.80 mm N/A 0.875 in22.20 mm N/A 0.531 in13.50 mm
20301020-A03 N/A HEYCO® 1.015 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.015 in25.80 mm N/A 0.875 in22.20 mm N/A 0.531 in13.50 mm
20301021-A01 N/A HEYCO® 1.203 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.203 in30.60 mm N/A 1.000 in25.40 mm N/A 0.531 in13.50 mm
20301021-A03 N/A HEYCO® 1.203 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.203 in30.60 mm N/A 1.000 in25.40 mm N/A 0.531 in13.50 mm
20301022-A01 N/A HEYCO® 1.218 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.218 in30.90 mm N/A 1.109 in28.60 mm N/A 0.531 in13.50 mm
20301022-A03 N/A HEYCO® 1.218 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.218 in30.90 mm N/A 1.109 in27.80 mm N/A 0.531 in13.50 mm
20301024-A01 N/A HEYCO® 1.500 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.500 in38.10 mm N/A 1.375 in34.90 mm N/A 0.543 in13.80 mm
20301024-A03 N/A HEYCO® 1.500 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.500 in38.10 mm N/A 1.375 in34.90 mm N/A 0.543 in13.80 mm
20301025-A01 N/A HEYCO® 1.676 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.676 in42.40 mm N/A 1.500 in38.10 mm N/A 0.543 in13.80 mm
20301025-A03 N/A HEYCO® 1.676 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 1.676 in42.40 mm N/A 1.500 in38.10 mm N/A 0.543 in13.80 mm
20301026-A01 N/A HEYCO® 2.170 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 2.170 in55.10 mm N/A 2.000 in50.80 mm N/A 0.543 in13.80 mm
20301026-A03 N/A HEYCO® 2.170 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 2.170 in55.10 mm N/A 2.000 in50.80 mm N/A 0.543 in13.80 mm
20301027-A01 N/A HEYCO® 2.718 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 2.718 in69.00 mm N/A 2.500 in63.50 mm N/A 0.823 in20.90 mm
20301027-A03 N/A HEYCO® 2.718 Inch (in) Head Diameter Nylon Louvered Vent Type Hole Plug N/A 2.718 in69.00 mm N/A 2.500 in63.50 mm N/A 0.823 in20.90 mm
Unit of Measure
1