NSN 4820-00-618-4989 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: 559B-2M-20, 1390883, 11241398-1
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-618-4989 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 4820-00-618-4989 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 4820-00-618-4989 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-618-4989 |
| Categorization | Safety or relief valves |
| Repairability Code |
Z
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| Approximate Weight | 0.0lb |
| Pipe Size Accommodated | 0.250 inches 1st end |
| Thread Direction | Right-hand 1st end |
| Flow Control Device | Poppet |
| Disk Loading Method | Spring |
| Connection Style | Plain (pipe) 1st end |
| Valve Operation Method | Automatic |
| Connection Type | Threaded external pipe 1st end |
| Features Provided | Pressure tight outlet side |
| Thready Qty Per Inch (tpi) | 18 1st end |
| Adjustable Pressure Range | +10.0/+30.0 pounds per square inch |
| Thread Size | 0.250 inches 1st end |
| Opening Pressure Setting | 20.0 pounds per square inch |
| Special Features | Pop-off type |
| Material | Copper alloy |
| Media For Which Designed | Hydrogen 5th response |
| Style Designator | Straight through note: to be used for valve bodies of one section only. |
| Thread Series Designator | Npt 1st end |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 559B-2M-20 | CIRCOR AEROSPACE, INC. | AX - DLA LAND AND MARITIME |
| 1390883 | NAVAIR AND NAVSEA MANAGED | AX - DLA LAND AND MARITIME |
| 11241398-1 | BALLISTIC MISSILE DEFENSE SYSTEMS | BR - |