Square-Head Plugs
TPN plugs are ideal for low-pressure testing and in-house handling. The square head design enables easy installation. These plugs protect threaded ports from damage, contamination and moisture. Resistant to oil and heat up to 250°F (121°C), but not intended for permanent applications.
Material: High-Density Polyethylene
Color: Black

| Part Number | To Plug NPT Thread Size | Dimensions | Packaging | ||||||
|---|---|---|---|---|---|---|---|---|---|
| B | C | F | Standard Carton | MiniPak Quantity |
|||||
| in | mm | in | mm | in | mm | ||||
| TPN 1 | 1/8-27 | .25 | 6.35 | .29 | 7.37 | .28 | 7.11 | 5,000 | 1,000 |
| TPN 3 | 1/4-18 | .25 | 6.35 | .35 | 8.89 | .38 | 9.65 | 5,000 | 1,000 |
| TPN 5 | 3/8-18 | .25 | 6.35 | .42 | 10.67 | .44 | 11.18 | 3,000 | 600 |
| TPN 7 | 1/2-14 | .25 | 6.35 | .47 | 11.94 | .56 | 14.22 | 1,500 | 300 |
| TPN 9 | 3/4-14 | .25 | 6.35 | .52 | 13.21 | .62 | 15.75 | 2,000 | 400 |
| TPN 11 | 1–11-1/2 | .25 | 6.35 | .59 | 14.99 | .81 | 20.57 | 1,500 | 300 |
| TPN 13 | 1-1/4–11-1/2 | .38 | 9.65 | .83 | 21.08 | 1.00 | 25.40 | 500 | 100 |
| TPN 15 | 1-1/2–11-1/2 | .38 | 9.65 | .83 | 21.08 | 1.25 | 31.75 | 500 | 100 |