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Threaded O-ring Plugs - UNF Threads

In stock

Threaded O-ring Plugs for UNF Threads include a compressed flange lip and an O-ring (optional) 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 be installed using a hex wrench, screwdriver, or hand. Often used on flat-faced hydraulic fittings, it is recommended when strength and resistance are desired as it can withstand temperatures that range from -40F to 230F | -40C to 110C. Used in oil and gas, plumbing, and automotive sectors where leak-proof seals are crucial to system integrity.

  • Material: PP, HDPE, PA6.6 GF33, LDPE
  • Colour: Yellow, Black, Red

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36 results
Product SKUs information
Item Code Price range Availability Overall Diameter Colour Threaded Length Material Compatible Thread Sizes (All) View
Request the lead time here
47.8 mm
Red
15.7 mm
HDPE
1 5/8 - 12
Request the lead time here
18.3 mm
Red
8.1 mm
HDPE
1/2 - 20
$0.3006 - $0.5538 3 In stock
27.0 mm
Yellow
HDPE
3/4 in x 16
$0.6176 - $1.1378 8 In stock
50.0 mm
Yellow
HDPE
1-5/8 in x 12
$0.2038 - $0.5096 11 In stock
22.0 mm
Yellow
HDPE
5/8 in x 18
$0.3209 - $0.8024 160 In stock
35.0 mm
Yellow
HDPE
11⁄16 in x 12
$0.452 - $1.1301 9 In stock
42.0 mm
Yellow
HDPE
15⁄16 in x 12
$0.7419 - $1.3666 70 In stock
55.0 mm
Yellow
HDPE
1-7/8 in x 12
$0.1739 - $0.3204 1369 In stock
16.0 mm
Yellow
HDPE
7⁄16 in x 20
$0.2177 - $0.2412 1667 In stock
26.9 mm
Yellow
PP
7/8-14
$0.4214 - $0.467 110 In stock
42.8 mm
Yellow
PP
1-5/8-12
$0.3146 - $0.3486 1406 In stock
54.0 mm
Yellow
PP
1-7/8-12
8602 In stock
16.5 mm
Red
8.1 mm
HDPE
7/16 - 20
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28.7 mm
Red
15.7 mm
HDPE
1 1/16 - 12
$1.834 - $3.3785 Request the lead time here
12.7 mm
Yellow
PA6.6 GF33
$1.0258 - $1.1366 600 In stock
39.6 mm
Red
15.7 mm
HDPE
1-5/16-12
$12.5855 - $23.1839 Request the lead time here
12.7 mm
Yellow
PA6.6 GF33
$0.5031 - $0.5575 411 In stock
19.8 mm
Red
9.1 mm
HDPE
9/16-18
$0.68 - $0.7534 Request the lead time here
25.5 mm
Red
LDPE
Request the lead time here
33.8 mm
Red
LDPE
  • of 2
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1 5/8 - 12 ; Threaded

PDO120


Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    SEA
  • Compatible Thread Sizes (All)
    1 5/8 - 12
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1/2 - 20 ; Threaded

PDO105


Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    SEA
  • Compatible Thread Sizes (All)
    1/2 - 20
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 3/4 in x 16 ; Threaded

498676

Price Range
$0.5538 - $0.3006

Stock Levels
3 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    UNF Threads
  • Compatible Thread Sizes (All)
    3/4 in x 16
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-5/8 in x 12 ; Threaded

498679

Price Range
$1.1378 - $0.6176

Stock Levels
8 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    UNF Threads
  • Compatible Thread Sizes (All)
    1-5/8 in x 12
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 5/8 in x 18 ; Threaded

498552

Price Range
$0.5096 - $0.2038

Stock Levels
11 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    UNF Threads
  • Compatible Thread Sizes (All)
    5/8 in x 18
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 11⁄16 in x 12 ; Threaded

498554

Price Range
$0.8024 - $0.3209

Stock Levels
160 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    UNF Threads
  • Compatible Thread Sizes (All)
    11⁄16 in x 12
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 15⁄16 in x 12 ; Threaded

498555

Price Range
$1.1301 - $0.452

Stock Levels
9 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    UNF Threads
  • Compatible Thread Sizes (All)
    15⁄16 in x 12
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-7/8 in x 12 ; Threaded

498680

Price Range
$1.3666 - $0.7419

Stock Levels
70 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    UNF Threads
  • Compatible Thread Sizes (All)
    1-7/8 in x 12
Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 7⁄16 in x 20 ; Threaded

498673

Price Range
$0.3204 - $0.1739

Stock Levels
1369 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    UNF Threads
  • Compatible Thread Sizes (All)
    7⁄16 in x 20
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 7/8-14 ; Threaded

BL8H

Price Range
$0.2412 - $0.2177

Stock Levels
1667 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-5/8-12 ; Threaded

BL13D

Price Range
$0.467 - $0.4214

Stock Levels
110 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-7/8-12 ; Threaded

BL14C

Price Range
$0.3486 - $0.3146

Stock Levels
1406 In stock
Attributes
  • Fitting Style
    Threaded
  • Thread Engagement
    Threaded Fitting Plugs
  • Colour
    Yellow
  • Full Material
    Polypropylene
  • Material Flammability Standard
    UL94 V-0
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 7/16 - 20 ; Threaded

PDO104


Stock Levels
8602 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    SEA
  • Compatible Thread Sizes (All)
    7/16 - 20
UNF Threaded O-Ring Plug - Compatible Thread Standard - SEA ; Compatible Thread Sizes - 1 1/16 - 12 ; Threaded

PDO112


Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    SEA
  • Compatible Thread Sizes (All)
    1 1/16 - 12
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 9/16-18 UNF 2A ; Threaded

TPWO-1

Price Range
$3.3785 - $1.834

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    33% Glass Filled Polyamide 6.6
  • Overall Diameter
    12.7 mm
UNF Threaded O-Ring Plug HDPE

PDO116

Price Range
$1.1366 - $1.0258

Stock Levels
600 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    SEA
  • Compatible Thread Sizes (All)
    1-5/16-12
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 3/4-16 UNF 2A ; Threaded

TPWO-2

Price Range
$23.1839 - $12.5855

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Yellow
  • Full Material
    33% Glass Filled Polyamide 6.6
  • Overall Diameter
    12.7 mm
UNF Threaded O-Ring Plug HDPE

PDO106

Price Range
$0.5575 - $0.5031

Stock Levels
411 In stock
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    High Density Polyethylene
  • Compatible Thread Standard
    SEA
  • Compatible Thread Sizes (All)
    9/16-18
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1–14 ; Threaded

PDF100

Price Range
$0.7534 - $0.68

Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    Low Density Polyethylene
  • Overall Diameter
    25.5 mm
UNF Threaded O-Ring Plug - Compatible Thread Standard - UNF Threads ; Compatible Thread Sizes - 1-3/16-12 ; Threaded

PDF120


Stock Levels
Request the lead time here
Attributes
  • Fitting Style
    Threaded
  • Colour
    Red
  • Full Material
    Low Density Polyethylene
  • Overall Diameter
    33.8 mm