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- Push-in Plugs
Product Description

OPLUG-K
The OPLUG-K hose/pipe plug set offers a variety of sizes to fit any fittings and stop any leaks that you may have. The pack includes 4x OPLUG-1, 4x OPLUG-2, 2x OPLUG-3, and 2 OPLUG-4. These Nitrile rubber plugs meet California Prop 65 and RoHS. For non-pressurized systems only.
Standard Sizes to Fit Any Fitting You Have
OPLUG-1
Useful for fitting sizes ranging from -4 (1/4 in) to -8 (1/2 in).
OPLUG-2
Useful for fitting sizes ranging from -4 (1/4 in) to -12 (3/4 in).
OPLUG-3
Useful for fitting sizes ranging from -16 (1 in) to -20 (1-1/4 in).
OPLUG-4
Useful for fitting sizes ranging from -20 (1-1/4 in) to -32 (2 in).
Chemical Resistance
Acids, Dilute | Good |
Acids, Concentrated | Poor to Fair |
Acids, Organic (Dilute) | Good |
Acids, Organic (Concentrated) | Poor |
Acids, Inorganic | Fair to Good |
Alcohol's | Fair to Good |
Aldehydes | Poor to Fair |
Alkalies, Dilute | Good |
Alkalies, Concentrated | Poor to Good |
Amines | Poor |
Animal & Vegetable Oils | Good to Excellent |
Brake Fluids, Non-petroleum | Poor |
Diester Oils | Fair to Good |
Esters, Alkyl Phosphate | Poor |
Esters, Aryl Phosphate | Poor to Fair |
Ethers | Poor |
Fuel, Aliphatic Hydrocarbon | Good to Excellent |
Fuel, Aromatic Hydrocarbon | Fair to Good |
Fuel, Extended (Oxygenated) | Fair to Good |
Fuel, Gasoline (all grades) | Good to Excellent |
Fuel, Diesel | Good to Excellent |
Halogenated Solvents | Poor |
Hydrocarbon, Halogenated | Poor to Fair |
Ketones | Poor |
Lacquer Solvents | Fair |
Low Pressure Gases | Excellent |
Fuel Oils | Excellent |
Mineral Oils | Excellent |
Oil Resistance | Good to Excellent |
Petroleum Aromatic | Good |
Petroleum Non-Aromatic | Excellent |
Refrigerant Ammonia | Good |
Silicone Oil | Good |
Solvent Resistance | Good to Excellent |
Thermal Properties
Low Temperature Range | -70°F / -57°C |
Minimum for Continuous Use | -40°F / -40°C |
Brittle Point | -60°F / -51°C |
High Temperature Range | 250°F / 121°C |
Maximum for Continuous Use | 250°F / 121°C |
Environmental Performance
Colorability | Excellent |
Flame Resistance | Poor |
Gas Permeability | Fair to Excellent |
Ozone Resistance | Fair to Good |
Oxidation Resistance | Good |
Radiation Resistance | Fair to Good |
Steam Resistance | Fair to Good |
Sunlight Resistance | Poor to Good |
Weather Resistance | Fair to Good |
Water Resistance | Good to Excellent |
$21.49 $21.49
$ 10 .99 $10.99
$8.37 $8.37
$ 3 .99 $3.99
$35.99 $35.99
$ 15 .99 $15.99
$23.03 $23.03
$ 11 .99 $11.99