NSN 4820-00-344-4712 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: ST7M304D6-4.7, D537A6D4.7, ST7M304, D559A-6D-4.7
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-344-4712 safety relief 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 4820-00-344-4712 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 4820-00-344-4712 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-344-4712 |
| Categorization | Safety or relief valves |
| Repairability Code | N |
| Approximate Weight | 0.1lb |
| Thread Class | 3a 1st end |
| Thread Direction | Right-hand 1st end |
| Flow Control Device | Poppet |
| Bonnet Type | Inside spring |
| Bonnet Attachment Method | Integral |
| Disk Loading Method | Spring |
| Maximum Operating Temp | 140.0 degrees fahrenheit 2nd response |
| Minimum Operating Temp | -40.0 degrees fahrenheit |
| Connection Style | External seat for gasket seal (boss) 1st end |
| Valve Operation Method | Automatic |
| Connection Type | Threaded external boss 1st end |
| Maximum Operating Pressure | 200.0 pounds per square inch 1st response |
| Thread Size | 0.562 inches 1st end |
| Opening Pressure Setting | 4.7 pounds per square inch |
| Outside Diameter Tube Accommodated | 0.375 inches 1st end |
| Material | Aluminum alloy 2024 body |
| Material Specification | Qq-a-225/6, alloy2024, t4 federal specification 1st material response flow control device |
| Media For Which Designed | Air 1st response |
| Surface Treatment | Anodize |
| Style Designator | Straight through w/baffle |
| Thread Series Designator | Unf 1st end |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| ST7M304D6-4.7 | BOEING COMPANY, THE | AX - DLA LAND AND MARITIME |
| D537A6D4.7 | CIRCOR AEROSPACE, INC. | AX - DLA LAND AND MARITIME |
| ST7M304 | BOEING COMPANY, THE | SE - SAN ANTONIO AIR LOGISTICS CENTER |
| D559A-6D-4.7 | CIRCOR AEROSPACE, INC. | ZZ - USA |