NSN 4820-00-090-0979 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: 631B-4-1/8-27, 631B4-1/8-27
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-090-0979 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 4820-00-090-0979 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 4820-00-090-0979 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-090-0979 |
| Categorization | Safety or relief valves |
| Repairability Code | |
| Approximate Weight | 0.0lb |
| Pipe Size Accommodated | 0.125 inches 1st end |
| Thread Direction | Right-hand 1st end |
| Flow Control Device | Poppet |
| Bonnet Type | Inside screw |
| Bonnet Attachment Method | Integral |
| Disk Loading Method | Spring |
| Maximum Operating Temp | 180.0 degrees fahrenheit single response |
| End Application | Grumman aircraft model a10 |
| 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 |
| Adjustable Pressure Range | +115.0 to 250.0 pounds per square inch |
| Maximum Operating Pressure | 3100.0 pounds per square inch single response |
| Thread Size | 0.125 inches 2nd end |
| Opening Pressure Setting | 200.0 pounds per square inch |
| Special Features | The end connection identified as the second end is the valve inlet |
| Material | Stainless steel flow control device |
| Material Specification | Aisi416 assn standard single material response flow control device |
| Media For Which Designed | Oil, hydraulic 2nd response |
| Surface Treatment | Passivate |
| Style Designator | Angle |
| Thread Series Designator | Anpt 2nd end |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 631B-4-1/8-27 | PARKER-HANNIFIN CORPORATION | 9Z - DLA LOGISTICS INFORMATION SERVICE - K |
| 631B4-1/8-27 | TELEDYNE INDUSTRIES INC | AX - DLA LAND AND MARITIME |