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Threaded O-ring Plugs - NPT Threads

In stock

Threaded O-ring Plugs for NPT Threads include a compressed flange lip and an O-ring to provide a watertight seal and superior leakage prevention for hydraulic threads. The threaded O-ring keeps contaminants like dirt, dust, debris, and moisture out of the hole. It may also absorb paint, which keeps paint flaking to a minimum.

It may be installed by hand or with a 12-point socket head, screwdriver or wrench. This threaded plug is suggested for usage where strength and abrasion resistance are required since it can tolerate temperatures ranging from -40F to 230F | -40C to 110C. Used in industries such as oil and gas, plumbing, and automotive where leak-proof seals are critical to system integrity.

  • Material: Nylon, HDPE
  • Colour: Natural, Black

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12 results
Product SKUs information
Item Code Price range Availability Compatible Thread Sizes (All) View
$0.3192 - $4.2224 11772 In stock
1/2 in
$0.2113 - $2.8097 10748 In stock
1/8 in
$0.478 - $6.331 4123 In stock
1.000 in
$0.2367 - $3.1271 6340 In stock
1/4 in
$0.5922 - $7.8097 3244 In stock
1.000 in
$0.281 - $3.7144 33909 In stock
3/8 in
$0.2042 - $2.707 In production
1/2
$0.1413 - $1.8786 15555 In stock
1/8
$0.2634 - $3.4911 42977 In stock
3/4
$0.4429 - $5.889 In production
3/4 in
$0.1495 - $1.9822 21460 In stock
1/4
$0.1584 - $2.0858 49526 In stock
3/8
Threaded O-Ring Plug - 1.040 in ; NPT ; 1/2 in ; ; Natural

PFP1/2D

Price Range
$4.2224 - $0.3192

Stock Levels
11772 In stock
Attributes
  • Head Width
    0.705 in
  • Overall Diameter
    1.040 in
  • Threaded Length
    0.500 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/2 in
Threaded O-Ring Plug - 0.560 in ; NPT ; 1/8 in ; ; Natural

PFP1/8D

Price Range
$2.8097 - $0.2113

Stock Levels
10748 In stock
Attributes
  • Head Width
    0.348 in
  • Overall Diameter
    0.560 in
  • Threaded Length
    0.250 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/8 in
Threaded O-Ring Plug - 1.530 in ; NPT ; 1.000 in ; HDPE ; Black

PFP1B

Price Range
$6.331 - $0.478

Stock Levels
4123 In stock
Attributes
  • Head Width
    1.130 in
  • Overall Diameter
    1.530 in
  • Threaded Length
    0.630 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1.000 in
Threaded O-Ring Plug - 0.740 in ; NPT ; 1/4 in ; ; Natural

PFP1/4D

Price Range
$3.1271 - $0.2367

Stock Levels
6340 In stock
Attributes
  • Head Width
    0.489 in
  • Overall Diameter
    0.740 in
  • Threaded Length
    0.310 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/4 in
Threaded O-Ring Plug - 1.530 in ; NPT ; 1.000 in ; ; Natural

PFP1D

Price Range
$7.8097 - $0.5922

Stock Levels
3244 In stock
Attributes
  • Head Width
    1.130 in
  • Overall Diameter
    1.530 in
  • Threaded Length
    0.630 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1.000 in
Threaded O-Ring Plug - 0.850 in ; NPT ; 3/8 in ; ; Natural

PFP3/8D

Price Range
$3.7144 - $0.281

Stock Levels
33909 In stock
Attributes
  • Head Width
    0.562 in
  • Overall Diameter
    0.850 in
  • Threaded Length
    0.350 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/8 in
Threaded O-Ring Plug - 1.040 in ; NPT ; 1/2 ; HDPE ; Black

PFP1/2B

Price Range
$2.707 - $0.2042

Stock Levels
In production
Attributes
  • Head Width
    0.705 in
  • Overall Diameter
    1.040 in
  • Threaded Length
    0.500 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/2
Threaded O-Ring Plug - 0.560 in ; NPT ; 1/8 ; HDPE ; Black

PFP1/8B

Price Range
$1.8786 - $0.1413

Stock Levels
15555 In stock
Attributes
  • Head Width
    0.348 in
  • Overall Diameter
    0.560 in
  • Threaded Length
    0.250 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/8
Threaded O-Ring Plug - 1.310 in ; NPT ; 3/4 ; HDPE ; Black

PFP3/4B

Price Range
$3.4911 - $0.2634

Stock Levels
42977 In stock
Attributes
  • Head Width
    0.987 in
  • Overall Diameter
    1.310 in
  • Threaded Length
    0.630 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    3/4
Threaded O-Ring Plug - 1.310 in ; NPT ; 3/4 in ; ; Natural

PFP3/4D

Price Range
$5.889 - $0.4429

Stock Levels
In production
Attributes
  • Head Width
    0.987 in
  • Overall Diameter
    1.310 in
  • Threaded Length
    0.630 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/4 in
Threaded O-Ring Plug - 0.740 in ; NPT ; 1/4 ; HDPE ; Black

PFP1/4B

Price Range
$1.9822 - $0.1495

Stock Levels
21460 In stock
Attributes
  • Head Width
    0.489 in
  • Overall Diameter
    0.740 in
  • Threaded Length
    0.310 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/4
Threaded O-Ring Plug - 0.850 in ; NPT ; 3/8 ; HDPE ; Black

PFP3/8B

Price Range
$2.0858 - $0.1584

Stock Levels
49526 In stock
Attributes
  • Head Width
    0.562 in
  • Overall Diameter
    0.850 in
  • Threaded Length
    0.350 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    3/8