Threaded Protection Plugs - NPT Threads

In stock

Threaded Protection plugs for NPT threads are used to protect NPT threads against contaminants and moisture. The square head design allows the user to install or remove these by hand or with a 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
Quick View Item Code Price range Availability Color Overall Diameter Material Compatible Thread Sizes (All)
PFP1/8C
$0.1042 - $1.4706 9910 In stock
Natural
0.560 in
Nylon
1/8-27
PFP3/8A
$0.0824 - $1.1609 44250 In stock
Black
0.850 in
HDPE
3/8-18
PFP1/2C
$0.1865 - $2.5945 In production
Natural
1.040 in
Nylon
1/2-14
PFP3/4C
$0.2636 - $3.7185 4048 In stock
Natural
1.310 in
Nylon
3/4-14
PFP1/4A
$0.0782 - $1.0976 160 In stock
Black
0.740 in
HDPE
1/4-18
PFP1A
$0.249 - $3.5032 4800 In stock
Black
1.530 in
HDPE
1-11-1/2
R2A
$0.3615 - $5.1054 In production
Blue
1.250 in
HDPE
2-11-1/2
R1/4A
$0.0434 - $0.6121 42968 In stock
Blue
0.343 in
HDPE
1/4-18
R1-1/2A
$0.3188 - $4.4956 548 In stock
Blue
1.124 in
HDPE
1-1/2-11-1/2
R1A
$0.1771 - $2.475 4908 In stock
Blue
0.750 in
HDPE
1-11-1/2
R3/4B
$0.1896 - $2.659 10736 In stock
Natural
0.687 in
Nylon
3/4-14
PFP1/2A
$0.1062 - $1.4945 2085 In stock
Black
1.040 in
HDPE
1/2-14
PFP1/8A
$0.0735 - $1.033 In production
Black
0.560 in
HDPE
1/8-27
PFP3/4A
$0.1375 - $1.925 33238 In stock
Black
1.310 in
HDPE
3/4-14
R1/4C
$0.0688 - $0.9691 5000 In stock
Natural
0.343 in
Nylon
1/4-18
R1-1/2C
$0.8388 - $11.8012 337 In stock
Natural
1.124 in
Nylon
1-1/2-11-1/2
R1B
$0.2605 - $3.6546 1009 In stock
Natural
0.750 in
Nylon
1-11-1/2
R3/8A
$0.0727 - $1.0222 4132 In stock
Blue
0.437 in
HDPE
3/8-18
R1/2D
$0.125 - $1.7517 4898 In stock
Natural
0.562 in
Nylon
1/2-14
R1/8C
$0.0967 - $1.361 4807 In stock
Natural
0.281 in
Nylon
1/8-27
R1-1/4C
$0.4063 - $5.7088 In production
Natural
0.937 in
Nylon
1-1/4-11-1/2
R3/4A
$0.1187 - $1.6739 14828 In stock
Blue
0.687 in
HDPE
3/4-14
R1/2A
$0.0789 - $1.1119 39945 In stock
Blue
0.562 in
HDPE
1/2-14
R1/8A
$0.0403 - $0.5679 In production
Blue
0.281 in
HDPE
1/8-27
R1-1/4A
$0.2761 - $3.8739 1499 In stock
Blue
0.937 in
HDPE
1-1/4-11-1/2
  • of 2
Threaded Protection Plug - 0.560 in ; 1/8-27 ; Nylon ; Natural

PFP1/8C

Price Range
$1.4706 - $0.1042

Stock Levels
9910 In stock
Attributes
  • Overall Diameter
    0.560 in
  • Overall Height
    0.500 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/8-27
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.850 in ; 3/8-18 ; HDPE ; Black

PFP3/8A

Price Range
$1.1609 - $0.0824

Stock Levels
44250 In stock
Attributes
  • Overall Diameter
    0.850 in
  • Overall Height
    0.670 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    3/8-18
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.040 in ; 1/2-14 ; Nylon ; Natural

PFP1/2C

Price Range
$2.5945 - $0.1865

Stock Levels
In production
Attributes
  • Overall Diameter
    1.040 in
  • Overall Height
    0.820 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/2-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.310 in ; 3/4-14 ; Nylon ; Natural

PFP3/4C

Price Range
$3.7185 - $0.2636

Stock Levels
4048 In stock
Attributes
  • Overall Diameter
    1.310 in
  • Overall Height
    0.950 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/4-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.740 in ; 1/4-18 ; HDPE ; Black

PFP1/4A

Price Range
$1.0976 - $0.0782

Stock Levels
160 In stock
Attributes
  • Overall Diameter
    0.740 in
  • Overall Height
    0.620 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/4-18
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.530 in ; 1-11-1/2 ; HDPE ; Black

PFP1A

Price Range
$3.5032 - $0.249

Stock Levels
4800 In stock
Attributes
  • Overall Diameter
    1.530 in
  • Overall Height
    0.950 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1-11-1/2
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.250 in ; 2-11-1/2 ; HDPE ; Blue

R2A

Price Range
$5.1054 - $0.3615

Stock Levels
In production
Attributes
  • Overall Diameter
    1.250 in
  • Overall Height
    0.875 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    2-11-1/2
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.343 in ; 1/4-18 ; HDPE ; Blue

R1/4A

Price Range
$0.6121 - $0.0434

Stock Levels
42968 In stock
Attributes
  • Overall Diameter
    0.343 in
  • Overall Height
    0.687 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    1/4-18
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.124 in ; 1-1/2-11-1/2 ; HDPE ; Blue

R1-1/2A

Price Range
$4.4956 - $0.3188

Stock Levels
548 In stock
Attributes
  • Overall Diameter
    1.124 in
  • Overall Height
    0.875 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    1-1/2-11-1/2
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.750 in ; 1-11-1/2 ; HDPE ; Blue

R1A

Price Range
$2.475 - $0.1771

Stock Levels
4908 In stock
Attributes
  • Overall Diameter
    0.750 in
  • Overall Height
    0.875 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    1-11-1/2
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.687 in ; 3/4-14 ; Nylon ; Natural

R3/4B

Price Range
$2.659 - $0.1896

Stock Levels
10736 In stock
Attributes
  • Overall Diameter
    0.687 in
  • Overall Height
    0.875 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    3/4-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.040 in ; 1/2-14 ; HDPE ; Black

PFP1/2A

Price Range
$1.4945 - $0.1062

Stock Levels
2085 In stock
Attributes
  • Overall Diameter
    1.040 in
  • Overall Height
    0.820 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/2-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.560 in ; 1/8-27 ; HDPE ; Black

PFP1/8A

Price Range
$1.033 - $0.0735

Stock Levels
In production
Attributes
  • Overall Diameter
    0.560 in
  • Overall Height
    0.500 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    1/8-27
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.310 in ; 3/4-14 ; HDPE ; Black

PFP3/4A

Price Range
$1.925 - $0.1375

Stock Levels
33238 In stock
Attributes
  • Overall Diameter
    1.310 in
  • Overall Height
    0.950 in
  • Color
    Black
  • Compatible Thread Sizes (All)
    3/4-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.343 in ; 1/4-18 ; Nylon ; Natural

R1/4C

Price Range
$0.9691 - $0.0688

Stock Levels
5000 In stock
Attributes
  • Overall Diameter
    0.343 in
  • Overall Height
    0.687 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/4-18
  • Fitting Style
    Threaded
Threaded Protection Plug - 1.124 in ; 1-1/2-11-1/2 ; Nylon ; Natural

R1-1/2C

Price Range
$11.8012 - $0.8388

Stock Levels
337 In stock
Attributes
  • Overall Diameter
    1.124 in
  • Overall Height
    0.875 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1-1/2-11-1/2
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.750 in ; 1-11-1/2 ; Nylon ; Natural

R1B

Price Range
$3.6546 - $0.2605

Stock Levels
1009 In stock
Attributes
  • Overall Diameter
    0.750 in
  • Overall Height
    0.875 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1-11-1/2
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.437 in ; 3/8-18 ; HDPE ; Blue

R3/8A

Price Range
$1.0222 - $0.0727

Stock Levels
4132 In stock
Attributes
  • Overall Diameter
    0.437 in
  • Overall Height
    0.750 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    3/8-18
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.562 in ; 1/2-14 ; Nylon ; Natural

R1/2D

Price Range
$1.7517 - $0.125

Stock Levels
4898 In stock
Attributes
  • Overall Diameter
    0.562 in
  • Overall Height
    0.812 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/2-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.281 in ; 1/8-27 ; Nylon ; Natural

R1/8C

Price Range
$1.361 - $0.0967

Stock Levels
4807 In stock
Attributes
  • Overall Diameter
    0.281 in
  • Overall Height
    0.625 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1/8-27
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.937 in ; 1-1/4-11-1/2 ; Nylon ; Natural

R1-1/4C

Price Range
$5.7088 - $0.4063

Stock Levels
In production
Attributes
  • Overall Diameter
    0.937 in
  • Overall Height
    0.875 in
  • Color
    Natural
  • Compatible Thread Sizes (All)
    1-1/4-11-1/2
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.687 in ; 3/4-14 ; HDPE ; Blue

R3/4A

Price Range
$1.6739 - $0.1187

Stock Levels
14828 In stock
Attributes
  • Overall Diameter
    0.687 in
  • Overall Height
    0.875 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    3/4-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.562 in ; 1/2-14 ; HDPE ; Blue

R1/2A

Price Range
$1.1119 - $0.0789

Stock Levels
39945 In stock
Attributes
  • Overall Diameter
    0.562 in
  • Overall Height
    0.812 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    1/2-14
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.281 in ; 1/8-27 ; HDPE ; Blue

R1/8A

Price Range
$0.5679 - $0.0403

Stock Levels
In production
Attributes
  • Overall Diameter
    0.281 in
  • Overall Height
    0.625 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    1/8-27
  • Fitting Style
    Threaded
Threaded Protection Plug - 0.937 in ; 1-1/4-11-1/2 ; HDPE ; Blue

R1-1/4A

Price Range
$3.8739 - $0.2761

Stock Levels
1499 In stock
Attributes
  • Overall Diameter
    0.937 in
  • Overall Height
    0.875 in
  • Color
    Blue
  • Compatible Thread Sizes (All)
    1-1/4-11-1/2
  • Fitting Style
    Threaded

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Product facets

Product Range Caps Plugs

Product Set Threaded Caps & Plugs

Fitting Threaded

Features Hydraulic Thread Protection

Material Nylon Plastic

Thread BSP Threads NPT Threads

Shape Round