| Product Line | Brakes |
| Category Name | Air Brake Valves |
| Part Type | Check Valve |
| Alternate Part Name | Air Line Check Valve, Air One-Way Check Valve, Air Check Valve, One-Way Valve |
| Model | SC-3 |
| OEM Part Number | 227871, 1676699C1 |
| Application Type | Heavy Duty Trucks, Semi-Trucks |
| Body Type | Straight |
| Delivery Port Size | 1/2-14 NPT (Male) |
| Supply Port Size | 1/2-14 NPT (Female) |
| Material | Brass |
| Maximum Operating Temperature | 250 deg. F (121 deg. C) |
| Minimum Operating Temperature | -40 deg. F (-40 deg. C) |
| Net Weight | 0.38 lb. |
| Cross References | 10200, 1676697C1, 1676699C1, 170227871, 20QE186C, 227871, 800372, EBN227871N, EM40640, K295-64, K29564, KN23000, R955227871N |
| Intended Application | - One-way check valve used in air brake systems to allow air flow in one direction and prevent flow in the opposite direction.
- Main applications:
- Air brake systems in commercial vehicles
- Separation of air circuits.
- Applications in air suspension systems
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