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Threaded Plugs & Caps

Plastic caps and plugs are intended to keep dust and debris out of hoses and other plumbing parts during storage (and minimize leakage from used parts). Aluminum or steel caps and plugs should be used whenever pressure is to be contained. Equivalent AN numbers are given for reference where applicable. These fittings conform to JIC and SAE specifications.

Note: AN and BSP nomenclature can be confusing because the nominal sizes do not refer to the outside diameter of the threads. If you are not sure if you have AN or BSP threads, check in our Threaded Fitting Guide.

Recent Top Seller for this product group

AN Plastic Flare Cap (threaded, not push-on type)

AN Plastic Flare Cap (threaded, not push-on type)

These AN Plastic Flare Caps are threaded and not the push-on type, and are preferred for their added security.

Image
Part No.
Description
Price
Status
125 Piece Plastic AN Cap and Plug Kit

3027 

125 Piece Plastic AN Cap and Plug Kit

$25.99In Stock
AN806 Aluminum AN Flare Plug

3233-Size 

AN806 Aluminum AN Flare Plug

$2.79
to
$9.49*
In Stock
AN929 Aluminum AN Flare Cap

3234-Size 

AN929 Aluminum AN Flare Cap

$3.49
to
$11.49*
In Stock
AN814 Aluminum AN Port Plug

3228-128-Size 

AN814 Aluminum AN Port Plug

$2.99
to
$16.99*
In Stock
AN Plastic Flare Plug (threaded, not push-on type)

3296-Size 

AN Plastic Flare Plug (threaded, not push-on type)

$0.15
to
$0.29*
In Stock
AN Plastic Flare Cap (threaded, not push-on type)

3297-Size 

AN Plastic Flare Cap (threaded, not push-on type)

$0.12
to
$0.22*
In Stock
BSP Plastic Flare Plug (threaded, not push-on type)

3996-Size 

BSP Plastic Flare Plug (threaded, not push-on type)

$0.54
to
$0.89*
In Stock
BSP Plastic Flare Cap (threaded, not push-on type)

3997-Size 

BSP Plastic Flare Cap (threaded, not push-on type)

$0.59
to
$0.99*
In Stock
AN932 Allen Head Pipe Plug

3258-Size 

AN932 Allen Head Pipe Plug

$2.69
to
$4.79*
In Stock
Magnetic Plug, Hex Socket 1/8-27 NPT

1010 

Magnetic Plug, Hex Socket 1/8-27 NPT

$2.99*In Stock
Magnetic Plug, Hex Socket 1/4-18 NPT

1011 

Magnetic Plug, Hex Socket 1/4-18 NPT

$3.19*In Stock
Magnetic Plug, Hex Socket 3/8-18 NPT

1012 

Magnetic Plug, Hex Socket 3/8-18 NPT

$2.69*In Stock
Magnetic Plug, Hex Socket 1/2-14 NPT

1013 

Magnetic Plug, Hex Socket 1/2-14 NPT

$3.19*In Stock
Magnetic Plug, Hex Socket 3/4-14 NPT

1014 

Magnetic Plug, Hex Socket 3/4-14 NPT

$4.39*In Stock
Magnetic Plug, Hex Socket  1 -11.5NPT

1015 

Magnetic Plug, Hex Socket 1 -11.5NPT

$4.99*In Stock
Webster Mk-Series 24mm Filler Plug (17mm Hex), Magnetic

1410-C03 

Webster Mk-Series 24mm Filler Plug (17mm Hex), Magnetic

$19.99In Stock
Magnetic Plug, Cap Screw Type 1/2-20

1020 

Magnetic Plug, Cap Screw Type 1/2-20

$3.39*In Stock
Magnetic Plug, Cap Screw Type  5/8-18

1021 

Magnetic Plug, Cap Screw Type 5/8-18

$14.99*In Stock
Magnetic Plug, Cap Screw Type  3/4-16

1022 

Magnetic Plug, Cap Screw Type 3/4-16

$7.49*In Stock
Magnetic Plug, Cap Screw Type  7/8-14

1023 

Magnetic Plug, Cap Screw Type 7/8-14

$13.99*In Stock
Magnetic Plug, Cap Screw Type  7/8-18

1024 

Magnetic Plug, Cap Screw Type 7/8-18

$7.49*In Stock
Magnetic Plug, Cap Screw Type  1 -18

1025 

Magnetic Plug, Cap Screw Type 1 -18

$7.49*In Stock
5/8-18 Aluminum Plug for Temperature Gauge Port

3602 

5/8-18 Aluminum Plug for Temperature Gauge Port

$9.99*In Stock
Moroso Vacuum Plug Kit

3990-001 

Moroso Vacuum Plug Kit

$7.49In Stock

  * Quantity Pricing Available