NSN 4820-00-009-5209 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: D559A-4D-42, 247ASC1527-002, D559A4D42PSI, D559A4D42PS1
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-009-5209 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 4820-00-009-5209 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 4820-00-009-5209 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-009-5209 |
| Categorization | Safety or relief valves |
| Repairability Code | N |
| Approximate Weight | 0.3lb |
| Thread Class | 3a 1st end |
| Thread Direction | Right-hand 1st end |
| Flow Control Device | Poppet |
| Disk Loading Method | Spring |
| Maximum Operating Temp | 280.0 degrees fahrenheit single response |
| Minimum Operating Temp | -40.0 degrees fahrenheit |
| Connection Style | Plain (tube) 1st end |
| Valve Operation Method | Automatic |
| Connection Type | Threaded external tube 1st end |
| Maximum Operating Pressure | 200.0 pounds per square inch single response |
| Thread Size | 0.437 inches 1st end |
| Opening Pressure Setting | 42.0 pounds per square inch |
| Material | Aluminum alloy 2024 body |
| Material Specification | Qq-a-225/6, alloy2024, t4 federal specification single material response seat |
| Media For Which Designed | Hydrogen 5th response |
| Style Designator | Straight through w/baffle |
| Thread Series Designator | Unjf 1st end |
| Furnished Items And Quantity | 1 deflector cap |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| D559A-4D-42 | CIRCOR AEROSPACE, INC. | AX - DLA LAND AND MARITIME |
| 247ASC1527-002 | NAVAL AIR SYSTEMS COMMAND MANAGED | KE - NAVAL ICP |
| D559A4D42PSI | CIRCOR AEROSPACE, INC. | KE - NAVAL ICP |
| D559A4D42PS1 | CIRCOR AEROSPACE, INC. | ZZ - USA |