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Threaded O-ring Plugs - NPT Threads

In stock

Threaded O-Ring plugs for NPT threads are used to protect NPT threaded fittings. The O-Ring gives this part a watertight seal for superior leak protection. Unique head design allows the user to apply or remove this plug by hand or with a 12-point socket head, screwdriver or wrench. Parts come in HDPE for everyday applications or in nylon, which is recommended when abrasion or heat are involved.

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Product SKUs information
Item Code Price range Availability Head Width Overall Diameter Compatible Thread Sizes (All) Buy
PFP1/2B
$0.1984 - $2.6307 42547 In stock
0.705 in
1.040 in
1/2
PFP1/2D
$0.3102 - $4.1034 19196 In stock
0.705 in
1.040 in
1/2
PFP1/4B
$0.1453 - $1.9263 In production
0.489 in
0.740 in
1/4
PFP1/4D
$0.23 - $3.039 In production
0.489 in
0.740 in
1/4
PFP1/8B
$0.1373 - $1.8257 12190 In stock
0.348 in
0.560 in
1/8
PFP1/8D
$0.2053 - $2.7305 2148 In stock
0.348 in
0.560 in
1/8
PFP1B
$0.4645 - $6.1526 14063 In stock
1.130 in
1.530 in
1
PFP1D
$0.5755 - $7.5896 5322 In stock
1.130 in
1.530 in
1
PFP3/4B
$0.256 - $3.3927 4674 In stock
0.987 in
1.310 in
3/4
PFP3/4D
$0.4304 - $5.723 51 In stock
0.987 in
1.310 in
3/4
PFP3/8B
$0.1539 - $2.027 31619 In stock
0.562 in
0.850 in
3/8
PFP3/8D
$0.2731 - $3.6097 8973 In stock
0.562 in
0.850 in
3/8
Threaded O-Ring Plug - 1.040 in ; NPT ; 1/2 ; HDPE ; Black

PFP1/2B

Price Range
$2.6307 - $0.1984

Stock Levels
42547 In stock
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 - 1.040 in ; NPT ; 1/2 ; Nylon ; Natural

PFP1/2D

Price Range
$4.1034 - $0.3102

Stock Levels
19196 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
Threaded O-Ring Plug - 0.740 in ; NPT ; 1/4 ; HDPE ; Black

PFP1/4B

Price Range
$1.9263 - $0.1453

Stock Levels
In production
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 - 0.740 in ; NPT ; 1/4 ; Nylon ; Natural

PFP1/4D

Price Range
$3.039 - $0.23

Stock Levels
In production
Attributes
  • Head Width
    0.489 in
  • Overall Diameter
    0.740 in
  • Threaded Length
    0.310 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/4
Threaded O-Ring Plug - 0.560 in ; NPT ; 1/8 ; HDPE ; Black

PFP1/8B

Price Range
$1.8257 - $0.1373

Stock Levels
12190 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 - 0.560 in ; NPT ; 1/8 ; Nylon ; Natural

PFP1/8D

Price Range
$2.7305 - $0.2053

Stock Levels
2148 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
Threaded O-Ring Plug - 1.530 in ; NPT ; 1 ; HDPE ; Black

PFP1B

Price Range
$6.1526 - $0.4645

Stock Levels
14063 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
Threaded O-Ring Plug - 1.530 in ; NPT ; 1 ; Nylon ; Natural

PFP1D

Price Range
$7.5896 - $0.5755

Stock Levels
5322 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
Threaded O-Ring Plug - 1.310 in ; NPT ; 3/4 ; HDPE ; Black

PFP3/4B

Price Range
$3.3927 - $0.256

Stock Levels
4674 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 ; Nylon ; Natural

PFP3/4D

Price Range
$5.723 - $0.4304

Stock Levels
51 In stock
Attributes
  • Head Width
    0.987 in
  • Overall Diameter
    1.310 in
  • Threaded Length
    0.630 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/4
Threaded O-Ring Plug - 0.850 in ; NPT ; 3/8 ; HDPE ; Black

PFP3/8B

Price Range
$2.027 - $0.1539

Stock Levels
31619 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
Threaded O-Ring Plug - 0.850 in ; NPT ; 3/8 ; Nylon ; Natural

PFP3/8D

Price Range
$3.6097 - $0.2731

Stock Levels
8973 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