









💨 Lock in your air, lock out the leaks — the pro’s choice for flawless inflation!
The Milton S-684-4 1/4" MNPT Male Tank Valve pack of 2 is engineered to prevent air leakage during vessel inflation, supporting pressures up to 200 PSI. Crafted from durable brass with protective plastic caps, these compact valves ensure a secure, airtight fit with standard 1/4" male national pipe threads. Trusted since 1943, Milton delivers professional-grade air accessories ideal for automotive, industrial, and heavy-duty applications.









| Material | Brass |
| Brand | Milton |
| Item dimensions L x W x H | 2 x 1 x 1 inches |
| Exterior Finish | Plastic |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Outlet Connection Type | MNPT |
| Maximum Operating Pressure | 200 Pound per Square Inch |
| Number of Ports | 2 |
| Outlet Connection Size | 0.25 Inches |
| Specification Met | Meets general industry standards for air compressor tank valves |
| Global Trade Identification Number | 00030937400383 |
| Manufacturer | Milton |
| UPC | 031113196373 735090074302 069060287356 030937400383 |
| Part Number | S-684-4 |
| Item Weight | 0.8 ounces |
| Product Dimensions | 2 x 1 x 1 inches |
| Item model number | S-684-4 |
| Is Discontinued By Manufacturer | No |
| Size | Pack of 2 |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Number of Handles | 1 |
| Measurement System | Inch |
| Special Features | INCLUDES: Standard valve core and plastic cap. Overall length (with cap): 1.5 inch.- DESIGNED: For use with air compressor tanks to fill vessels with air.- IDEAL: Tank valve prevents air from leaking out while allowing for air to pass through for inflation.- NPT: 1/4" Male national pipe thread. Cap thread size: .305-32.- MAXIMUM AIR PRESSURE: 200 pounds per square inch (PSI).- - - - |
| Included Components | 1/4" MNPT Male Tank Valve |
| Batteries Included? | No |
| Batteries Required? | No |
| National Stock Number | 4820-01-443-1916 |
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