Threaded Plugs & Caps
Metal port plugs and plastic dust caps with AN, BSP, or NPT threads
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 | |
| Our AN814-style port plugs have a large enough hex to support an O-Ring or a sealing washer. This makes them ideal for use on SAE ports without a female flare. |
| Image | Part No. | Description | Price | Stock Status |
|---|---|---|---|---|
 | 3027 | 125 Piece Plastic AN Cap and Plug Kit | $30.99 | In Stock |
 | 3234-Size | $2.09 to $11.19* | In Stock | |
 | 3434-Size | $6.39* | In Stock | |
 | 3233-Size | $1.95 to $21.19* | In Stock | |
 | 3228-128-Size | $2.99 to $22.49* | In Stock | |
 | 3296-Size | AN Plastic Flare Plug (threaded, not push-on type) | $0.16 to $0.34* | In Stock |
 | 3297-Size | AN Plastic Flare Cap (threaded, not push-on type) | $0.13 to $0.26* | In Stock |
 | 3996-Size | BSP Plastic Flare Plug (threaded, not push-on type) | $0.54 to $1.89* | In Stock |
 | 3997-Size | $0.59 to $1.09* | In Stock | |
 | 3258-Size | $2.33 to $4.09* | In Stock | |
 | 1010 | Magnetic Plug, Steel, Hex Socket, 1/8 NPT | $2.99* | In Stock |
 | 1011 | Magnetic Plug, Steel, Hex Socket, 1/4 NPT | $3.19* | In Stock |
 | 1012 | Magnetic Plug, Steel, Hex Socket, 3/8 NPT | $2.89* | In Stock |
 | LA33320 | $11.99 | In Stock | |
 | 1013 | Magnetic Plug, Steel, Hex Socket, 1/2 NPT | $3.19* | In Stock |
 | 1014 | Magnetic Plug, Steel, Hex Socket, 3/4 NPT | $4.79* | In Stock |
 | 1015 | $5.29* | In Stock | |
 | 1410-C03 | Webster Mk-Series 24mm Filler Plug (17mm Hex), Magnetic | $21.99 | In Stock |
 | 1020 | $3.79* | In Stock | |
 | LA33300 | $11.99 | In Stock | |
 | 1021 | $14.99* | In Stock | |
 | 1022 | $7.49* | In Stock | |
 | 1023 | $13.99* | In Stock | |
 | 1025 | $7.49* | In Stock | |
 | 3602 | $12.49* | In Stock | |
 | 3990-001 | $9.99 | In Stock |
* Quantity Pricing Available
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