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NPT Thread Plugs
NPT-Thread-Plugs - Line Drawing
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NPT-Thread-Plugs - Line Drawing

Push-In Plugs for NPT Threads

In stock

A plug specially designed for the plugging of NPT tapered threaded fittings.

The tapered design means the product is able to plug multiple inside diameters - making it highly versatile. In order to assure a proper fit; the plug dimension should be approximately one percent larger than the inside diameter of the part (minimum of 0.020 inches).

  • Material: Low-Density Polyethylene (LDPE)
  • Colors: Blue, Yellow, Black and Red

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Product SKUs information
Item Code Price range Availability Compatible Thread Standard Compatible Thread Sizes (All) View
$1.5592 - $19.5432 371 In stock
NPT
5
$1.2338 - $15.4104 4606 In stock
NPT
3-1/2
$0.0985 - $1.1673 6452 In stock
NPT
1/2
$0.0882 - $1.0431 6500 In stock
NPT
3/8
$0.5012 - $6.2824 13515 In stock
NPT
2-1/2
$0.8765 - $10.9449 3885 In stock
NPT
3
$0.2695 - $3.179 2264 In stock
NPT
1.000 in
$0.1757 - $2.1951 106072 In stock
NPT
1-1/4
$0.0991 - $1.1732 7438 In stock
NPT
3/8
$0.1681 - $1.9982 15468 In stock
NPT
1/4
NPT2A $0.471 - $5.5708 17649 In stock
NPT
2
$1.3065 - $16.3491 5274 In stock
NPT
4
$0.1142 - $1.3519 In production
NPT
3/4
NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 135.9 - 136.1 mm | 5.350 - 5.360 in

NPT5A

Price Range
$19.5432 - $1.5592

Stock Levels
371 In stock
Attributes
  • Inside Diameter Range
    5.36 in
  • Maximum Outside Diameter
    5.360 in
  • Minimum Outside Diameter
    5.350 in
  • Outside Diameter Range
    5.350 - 5.360 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 95.9 - 96.1 mm | 3.775 - 3.785 in

NPT3-1/2A

Price Range
$15.4104 - $1.2338

Stock Levels
4606 In stock
Attributes
  • Inside Diameter Range
    3.785 in
  • Maximum Outside Diameter
    3.785 in
  • Minimum Outside Diameter
    3.775 in
  • Outside Diameter Range
    3.775 - 3.785 in
  • Color
    Black
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 17.5 - 19.9 mm | 0.690 - 0.785 in

EN1/2A

Price Range
$1.1673 - $0.0985

Stock Levels
6452 In stock
Attributes
  • Inside Diameter Range
    0.785 in
  • Maximum Outside Diameter
    0.785 in
  • Minimum Outside Diameter
    0.690 in
  • Outside Diameter Range
    0.690 - 0.785 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 14 - 16.3 mm | 0.550 - 0.640 in

EN3/8A

Price Range
$1.0431 - $0.0882

Stock Levels
6500 In stock
Attributes
  • Inside Diameter Range
    0.64 in
  • Maximum Outside Diameter
    0.640 in
  • Minimum Outside Diameter
    0.550 in
  • Outside Diameter Range
    0.550 - 0.640 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 68.1 - 69.2 mm | 2.680 - 2.725 in

NPT2-1/2A

Price Range
$6.2824 - $0.5012

Stock Levels
13515 In stock
Attributes
  • Inside Diameter Range
    2.725 in
  • Maximum Outside Diameter
    2.725 in
  • Minimum Outside Diameter
    2.680 in
  • Outside Diameter Range
    2.680 - 2.725 in
  • Color
    Black
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 83.4 - 84.5 mm | 3.285 - 3.325 in

NPT3A

Price Range
$10.9449 - $0.8765

Stock Levels
3885 In stock
Attributes
  • Inside Diameter Range
    3.325 in
  • Maximum Outside Diameter
    3.325 in
  • Minimum Outside Diameter
    3.285 in
  • Outside Diameter Range
    3.285 - 3.325 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 27.7 - 30.5 mm | 1.090 - 1.200 in

EN1A

Price Range
$3.179 - $0.2695

Stock Levels
2264 In stock
Attributes
  • Inside Diameter Range
    1.2 in
  • Maximum Outside Diameter
    1.200 in
  • Minimum Outside Diameter
    1.090 in
  • Outside Diameter Range
    1.090 - 1.200 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 38.4 - 39.6 mm | 1.510 - 1.560 in

NPT1-1/4A

Price Range
$2.1951 - $0.1757

Stock Levels
106072 In stock
Attributes
  • Inside Diameter Range
    1.56 in
  • Maximum Outside Diameter
    1.560 in
  • Minimum Outside Diameter
    1.510 in
  • Outside Diameter Range
    1.510 - 1.560 in
  • Color
    Red
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 14.5 - 15.6 mm | 0.570 - 0.615 in

NPT3/8A

Price Range
$1.1732 - $0.0991

Stock Levels
7438 In stock
Attributes
  • Inside Diameter Range
    0.615 in
  • Maximum Outside Diameter
    0.615 in
  • Minimum Outside Diameter
    0.570 in
  • Outside Diameter Range
    0.570 - 0.615 in
  • Color
    Yellow
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 10.7 - 12.3 mm | 0.420 - 0.485 in

EN1/4A

Price Range
$1.9982 - $0.1681

Stock Levels
15468 In stock
Attributes
  • Inside Diameter Range
    0.485 in
  • Maximum Outside Diameter
    0.485 in
  • Minimum Outside Diameter
    0.420 in
  • Outside Diameter Range
    0.420 - 0.485 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 56.5 - 57.8 mm | 2.225 - 2.275 in

NPT2A

Price Range
$5.5708 - $0.471

Stock Levels
17649 In stock
Attributes
  • Inside Diameter Range
    2.275 in
  • Maximum Outside Diameter
    2.275 in
  • Minimum Outside Diameter
    2.225 in
  • Outside Diameter Range
    2.225 - 2.275 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 109.1 - 109.6 mm | 4.295 - 4.315 in

NPT4A

Price Range
$16.3491 - $1.3065

Stock Levels
5274 In stock
Attributes
  • Inside Diameter Range
    4.315 in
  • Maximum Outside Diameter
    4.315 in
  • Minimum Outside Diameter
    4.295 in
  • Outside Diameter Range
    4.295 - 4.315 in
  • Color
    Blue
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NPT Thread Plug - Push-Fit ; Compatible Thread Standard NPT ; Outside Diameter Range 22.1 - 24.8 mm | 0.870 - 0.975 in

EN3/4A

Price Range
$1.3519 - $0.1142

Stock Levels
In production
Attributes
  • Inside Diameter Range
    0.975 in
  • Maximum Outside Diameter
    0.975 in
  • Minimum Outside Diameter
    0.870 in
  • Outside Diameter Range
    0.870 - 0.975 in
  • Color
    Blue
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