NSN 4820-00-287-4447 Repair Services
Check Valve Overhaul, Repair, and Maintenance
MPN: 375-1 1-4, 29 1-1/4 IN, 231 1-1/4, 548 1-1/4IN, 902 1-1/4IN, FIG75, FIG75 1 1-4, 50357, 548B-700-114, 548B-114
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-287-4447 check valveFAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.
We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.
NSN 4820-00-287-4447 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.
Repairability and Datasheet
NSN 4820-00-287-4447 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-287-4447 |
| Categorization | Check valves of copper having a pressure rating of 850 kpa or over |
| Repairability Code |
A
Item requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. refer to appropriate manuals or directives for specific instructions. |
| Approximate Weight | 1.5lb |
| Thread Direction | Right-hand all ends |
| Flow Control Device | Disk |
| Maximum Operating Temp | 353.0 degrees fahrenheit 1st response |
| Connection Style | Plain, optional end (pipe) all ends |
| Valve Operation Method | Automatic |
| Connection Type | Threaded internal pipe all ends |
| Mounting Position | Vertical |
| Thready Qty Per Inch (tpi) | 11-1/2 1st end |
| Maximum Operating Pressure | 200.0 pounds per square inch 2nd response |
| Thread Size | 1.250 inches all ends |
| Special Features | Complies with mss sp-80; o/a lg 3.280 in. |
| Material | Copper alloy 836 seat |
| Material Specification | Qq-c-390, alloy b5/d/ federal specification single material response seat |
| Media For Which Designed | Water-oil-gas 2nd response |
| Style Designator | Straight thru |
| Thread Series Designator | Npt all ends |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 375-1 1-4 | STRATAFLO PRODUCTS INC | AX - DLA LAND AND MARITIME |
| 29 1-1/4 IN | CRANE CO | AX - DLA LAND AND MARITIME |
| 231 1-1/4 | RED-WHITE VALVE CORP. | AX - DLA LAND AND MARITIME |
| 548 1-1/4IN | MILWAUKEE VALVE COMPANY, INC. | AX - DLA LAND AND MARITIME |
| 902 1-1/4IN | HAMMOND VALVE CORP | AX - DLA LAND AND MARITIME |
| FIG75 | THE WALWORTH COMPANY | AX - DLA LAND AND MARITIME |
| FIG75 1 1-4 | THE WALWORTH COMPANY | AX - DLA LAND AND MARITIME |
| 50357 | OHIO BRASS CO | AX - DLA LAND AND MARITIME |
| 548B-700-114 | MILWAUKEE VALVE COMPANY, INC. | ZZ - USA |
| 548B-114 | MILWAUKEE VALVE COMPANY, INC. | ZZ - USA |