Threaded Round Plugs for NPT Pipe
![](/prerenderstable/mvPRE/contents/gfx/imagecache/548/5481k19-1586265545-p9@halfx_637218444580815572.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/684/6844k35-1586265546-p9@halfx_637218444479377062.png?ver=imagenotfound)
Protect internally threaded NPT connections from contaminants during fabrication and storage.
Install external square-drive plugs manually or with a square-drive wrench or socket.
Install external 12-point drive plugs manually or with a 12-point wrench or socket.
For technical drawings and 3-D models, click on a part number.
Pipe Size | Ht. | Max. Temp., °F | Hardness | Color | Pkg. Qty. | Pkg. | |
External Square Drive | |||||||
---|---|---|---|---|---|---|---|
Polyethylene Plastic | |||||||
1/8 | 7/16" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
1/4 | 1/2" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
3/8 | 1/2" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
1/2 | 19/32" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
3/4 | 5/8" | 160° | Durometer 65D | Red | 50 | 0000000 | 00000 |
1 | 23/32" | 160° | Durometer 65D | Red | 25 | 0000000 | 00000 |
1 1/4 | 3/4" | 160° | Durometer 65D | Red | 25 | 0000000 | 00000 |
1 1/2 | 31/32" | 160° | Durometer 65D | Red | 10 | 0000000 | 00000 |
External 12-Point Drive | |||||||
Polyethylene Plastic | |||||||
1/8 | 9/32" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
1/4 | 3/8" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
3/8 | 11/32" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
1/2 | 9/16" | 160° | Durometer 65D | Red | 100 | 0000000 | 00000 |
3/4 | 5/8" | 160° | Durometer 65D | Red | 50 | 0000000 | 00000 |
Conductive Round Plugs
![](/prerenderstable/mvPRE/contents/gfx/imagecache/940/94075k53c1--42f36d1fcc61603289748-p9@halfx_637388685609661327.png?ver=imagenotfound)
With a surface resistivity of less than 105 ohms/sq, these plugs not only dissipate electrical charges, but can be used as an electrical shield. All meet the static requirements of MIL-PRF-81705. They fit electrical connectors with straight threads as well as unthreaded bayonet-type connectors.
For technical drawings and 3-D models, click on a part number.
For ID | For Thread Dia. | Ht. | Head Dia. | Max. Surface Resistivity | Max. Temp., °F | Hardness | Color | Specifications Met | Pkg. Qty. | Pkg. | |
Polyethylene Plastic | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
15/32" | 1/2" | 5/8" | 11/16" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 50 | 00000000 | 000000 |
19/32" | 5/8" | 5/8" | 3/4" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 50 | 00000000 | 00000 |
23/32" | 3/4" | 5/8" | 7/8" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 50 | 00000000 | 00000 |
27/32" | 7/8" | 5/8" | 1 1/16" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 50 | 00000000 | 00000 |
31/32" | 1" | 5/8" | 1 3/16" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 50 | 00000000 | 00000 |
1 3/32" | 1 1/8" | 5/8" | 1 1/4" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |
1 7/32" | 1 1/4" | 5/8" | 1 1/2" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |
1 11/32" | 1 3/8" | 5/8" | 1 17/32" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 10 | 00000000 | 0000 |
1 15/32" | 1 1/2" | 5/8" | 1 11/16" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |
1 31/32" | 2" | 5/8" | 2 5/32" | 105 ohms/sq | 140° | Durometer 45D | Black | MIL-PRF-81705 | 10 | 00000000 | 00000 |
Antistatic Round Plugs
![](/prerenderstable/mvPRE/contents/gfx/imagecache/940/94075k71c1--12ec8ef90c21603290321-p9@halfx_637388691264510773.png?ver=imagenotfound)
Keep equipment safe from electrical currents with these plugs that have a surface resistivity of less than 1012 ohms/sq. All meet the static requirements of MIL-PRF-81705. They fit electrical connectors with straight threads as well as unthreaded bayonet-type connectors.
For technical drawings and 3-D models, click on a part number.
For ID | For Thread Dia. | Ht. | Head Dia. | Max. Surface Resistivity | Max. Temp., °F | Hardness | Color | Specifications Met | Pkg. Qty. | Pkg. | |
Polyethylene Plastic | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
15/32" | 1/2" | 5/8" | 11/16" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 100 | 00000000 | 000000 |
19/32" | 5/8" | 5/8" | 3/4" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 100 | 00000000 | 00000 |
23/32" | 3/4" | 5/8" | 7/8" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 100 | 00000000 | 00000 |
27/32" | 7/8" | 5/8" | 1 1/16" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
29/32" | 1" | 5/8" | 1 1/8" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
1 1/32" | 1 1/8" | 5/8" | 1 1/4" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
1 5/32" | 1 1/4" | 5/8" | 1 7/16" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
1 15/32" | 1 1/2" | 5/8" | 1 11/16" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
1 31/32" | 2" | 5/8" | 2 5/32" | 1012 ohms/sq | 140° | Durometer 60A | Pink | MIL-PRF-81705 | 25 | 00000000 | 00000 |
Threaded Caps
![](/prerenderstable/mvPRE/contents/gfx/imagecache/352/3522t18c1-j06-digital-master1570570232-p9@halfx_637061539750827287.png?ver=imagenotfound)
Protect externally threaded components from contaminants during fabrication and storage.
Aluminum caps withstand temperatures up to 650° F, which is more than four times as high as plastic caps. They are also more abrasion resistant. All meet military specification MIL-C-5501/3 for dust and moisture protection.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||
---|---|---|---|---|---|---|---|---|
Size | Type | For OD | Inside Ht. | Max. Temp., °F | Specifications Met | Pkg. Qty. | Pkg. | |
Aluminum | ||||||||
For Straight-Thread Pipe | ||||||||
5/16"-24 | UNF | 5/16" | 21/64" | 650° | MIL-C-5501/3 | 50 | 0000000 | 000000 |
3/8"-24 | UNF | 3/8" | 19/64" | 650° | MIL-C-5501/3 | 50 | 0000000 | 00000 |
7/16"-20 | UNF | 7/16" | 15/32" | 650° | MIL-C-5501/3 | 50 | 0000000 | 0000 |
1/2"-20 | UNF | 1/2" | 7/16" | 650° | MIL-C-5501/3 | 50 | 0000000 | 00000 |
9/16"-18 | UNF | 9/16" | 15/32" | 650° | MIL-C-5501/3 | 50 | 0000000 | 00000 |
5/8"-18 | UNF | 5/8" | 33/64" | 650° | MIL-C-5501/3 | 50 | 0000000 | 00000 |
3/4"-16 | UNF | 3/4" | 35/64" | 650° | MIL-C-5501/3 | 50 | 0000000 | 00000 |
7/8"-14 | UNF | 7/8" | 21/32" | 650° | MIL-C-5501/3 | 50 | 0000000 | 00000 |
For UN Straight-Thread Pipe | ||||||||
1 1/16"-12 | UN | 1 1/16" | 49/64" | 650° | MIL-C-5501/3 | 25 | 0000000 | 00000 |
1 5/16"-12 | UN | 1 5/16" | 49/64" | 650° | MIL-C-5501/3 | 25 | 0000000 | 00000 |
1 5/8"-12 | UN | 1 5/8" | 23/32" | 650° | MIL-C-5501/3 | 10 | 0000000 | 00000 |
Antistatic Round Caps
![](/prerenderstable/mvPRE/contents/gfx/imagecache/940/94075k31_507f15d6-1a86-492e-8de0-e82b6e273802@halfx_638044326054192736.png?ver=imagenotfound)
![](/prerenderstable/mvPRE/contents/gfx/imagecache/940/94075k31-1671134057-p9@halfx_638067092728406804.png?ver=imagenotfound)
Keep equipment safe from electrical currents with these caps that have a surface resistivity of less than 1012 ohms/sq. All meet the static requirements of MIL-PRF-81705. They fit electrical connectors with straight threads as well as unthreaded bayonet-type connectors.
For technical drawings and 3-D models, click on a part number.
For OD | For Thread Dia. | Inside Ht. | Max. Temp., °F | Max. Surface Resistivity | Color | Specifications Met | Pkg. Qty. | Pkg. | |
Rigid Plastic | |||||||||
---|---|---|---|---|---|---|---|---|---|
0.245" | 1/4" | 1/2" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 100 | 00000000 | 000000 |
0.36" | 3/8" | 1/2" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 100 | 00000000 | 00000 |
0.48" | 1/2" | 1/2" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 100 | 00000000 | 00000 |
0.6" | 5/8" | 1/2" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 100 | 00000000 | 00000 |
0.72" | 3/4" | 1/2" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 100 | 00000000 | 00000 |
0.85" | 7/8" | 1/2" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
0.973" | 1" | 1/2" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
1.231" | 1 1/4" | 9/16" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
1.463" | 1 1/2" | 9/16" | 140° | 1012 ohms/sq | Pink | MIL-PRF-81705 | 50 | 00000000 | 00000 |
Conductive Round Caps
![](/prerenderstable/mvPRE/contents/gfx/imagecache/940/94075k11c1--72b0e9236331603289557-p9@halfx_637388683860433905.png?ver=imagenotfound)
With a surface resistivity of less than 105 ohms/sq, these caps not only dissipate electrical charges, but can be used as an electrical shield. All meet the static requirements of MIL-PRF-81705. They fit electrical connectors with straight threads as well as unthreaded bayonet-type connectors.
For technical drawings and 3-D models, click on a part number.
For OD | For Thread Dia. | Inside Ht. | Max. Temp., °F | Max. Surface Resistivity | Color | Specifications Met | Pkg. Qty. | Pkg. | |
Rigid Plastic | |||||||||
---|---|---|---|---|---|---|---|---|---|
0.244" | 1/4" | 15/32" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 50 | 00000000 | 000000 |
0.368" | 3/8" | 1/2" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 50 | 00000000 | 00000 |
0.487" | 1/2" | 1/2" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 50 | 00000000 | 00000 |
0.607" | 5/8" | 1/2" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 50 | 00000000 | 00000 |
0.73" | 3/4" | 1/2" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |
0.852" | 7/8" | 1/2" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |
0.992" | 1" | 1/2" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |
1.244" | 1 1/4" | 9/16" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |
1.478" | 1 1/2" | 9/16" | 140° | 105 ohms/sq | Black | MIL-PRF-81705 | 25 | 00000000 | 00000 |