NSN 4820-00-173-2025 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: 5159T4MP30, 11290853-1
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-173-2025 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 4820-00-173-2025 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 4820-00-173-2025 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-173-2025 |
| 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 | 0.500 inches 2nd end |
| Thread Direction | Right-hand 1st end |
| Flow Control Device | Poppet |
| Disk Loading Method | Spring |
| Maximum Operating Temp | 250.0 degrees fahrenheit single response |
| Connection Style | Plain, optional en (pipe) 1st end |
| Valve Operation Method | Automatic |
| Connection Type | Threaded internal pipe 1st end |
| Features Provided | Pressure tight outlet side |
| Maximum Operating Pressure | 2500.0 pounds per square inch single response |
| Thread Size | 0.500 inches 2nd end |
| Opening Pressure Setting | 30.0 pounds per square inch |
| Special Features | The end connection identified above as the second end is the valve inlet |
| Material | Steel comp 303se seat |
| Material Specification | Qq-s-764, type303se-canceled federal specification single material response seat |
| Media For Which Designed | Sulfur hexafluoride, gaseous single response |
| Style Designator | Straight through note: to be used for valve bodies of separable sections. |
| Test Data Document | 17773-11290853 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing) |
| Thread Series Designator | Nptf 2nd end |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 5159T4MP30 | CIRCOR AEROSPACE, INC. | BR - |
| 11290853-1 | BALLISTIC MISSILE DEFENSE SYSTEMS | BR - |