- Genuine glass of high stability and scratch proof.
- Sealing with an O-ring on the periphery and not on the face edge of the glass. Leak tightness is therefore not affected by axial pressures.
- The seal is housed in a groove and it can therefore not be lost. In addition, this groove prevents the seal from being extruded when the sight glass is tightened. The location of this seal allows also the softer elastomer which guarantees better and easier sealing.
- Fluid level sight glasses GN 743.1 can be used on pressurized oil tanks.
- Viton seal: maximum heat resistance: 180° C (356° F).
- When mounting oil level sight glasses on walls of less than 4mm thickness, use nut GN 543.1.
Top 10 😉 Aluminum Fluid Level Sight w/ ESG Glass w/ Reflector – M16 x 1.5 Thread – J.W. Winco R21/A ✔️
$17.50 Original price was: $17.50.$12.25Current price is: $12.25.
- Nature-friendly materials, 100%.
- Online assistance, always at your service.
- 100% Quality Promise
- 100% environmentally friendly material

| Thread Size | M16 x 1.5 in |
|---|---|
| Across Flats | .79" (20mm) |
| Inner Diameter | 11mm |
| Thread Length | 8mm in |
| Height | 7.5mm |
| Diameter | 22mm |
| Series | GN743.1 |
| Sight Glass Material | ESG Glass |
| Sight Glass Body Material | Aluminum w/ Matte Shot-Blast Finish |
| Country of Origin | Import |
| Seal Material | FPM Rubber (Viton®) |
| Reflector Material | Heat-Resistant Technopolymer Plastic (Polysulfon) |
| Manufacturers Part Number | 743.1-11-M16X1.5-A |
| Max Pressure @ 70°F | 725 psi |
| Brand | J.W. Winco |
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