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O-Seal Male Adapter
Fluid Controls Double Ferrule O-Seal Male Adapter, OD Tube x Male Straight Thread.

Tube Fittings & Connectors
O-Seal Male Adapter
O-Seal Male Adapters are designed to provide secure, leak-tight connections between instrumentation tubing and female-threaded ports. They feature a Tube OD connection on one side and a male-threaded connection with an O-Seal on the other side. Available in SS, Brass, CS & Monel. Offered in a wide range of Inch and Metric Tube OD sizes, with male ends available in Male Straight Thread.
Heat-code traceable · 100% testedFeatures
- Body materials: SS, Brass, CS.
- Thread systems: Male Straight Thread
- Tube OD range
- 1/4 in
- Size range
- 1/16"–2" / 3–38 mm
Part numbers
Fluid Controls' registered part numbers for this product. The table above prints no code per row, so each is listed with the size it was registered against.
| Part number | Tube OD | Thread system | Max working pressure | Body material |
|---|---|---|---|---|
| OSM-4-4N | 1/4 in | 1/4 NPT | 400–413 | SS 316 |
Material grades for this range are available on request.
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