NSN 4820-00-068-8991 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: 20980, MC1665, 128SCH107-1
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-068-8991 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 4820-00-068-8991 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 4820-00-068-8991 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-068-8991 |
| Categorization | Safety or relief valves |
| Repairability Code | |
| Approximate Weight | 0.1lb |
| Thread Class | 3b 1st end |
| Thread Direction | Right-hand 1st end |
| Flow Control Device | Poppet |
| Bonnet Type | Packing retaining |
| Disk Loading Method | Spring |
| Valve Discharge Flow Rate | 4.0 cubic feet per minute |
| Maximum Operating Temp | 275.0 degrees fahrenheit 2nd response |
| Connection Style | Gasket sea (boss) 1st end |
| Valve Operation Method | Automatic |
| Connection Type | Threaded internal boss 1st end |
| Features Provided | Pressure tight outlet side |
| Adjustable Pressure Range | +49.0 to 51.0 pounds per square inch |
| Maximum Operating Pressure | 50.0 pounds per square inch single response |
| Thread Size | 0.562 inches 1st end |
| Material | Aluminum alloy |
| Media For Which Designed | Hydraulic fluid, phosphate-ester base single response |
| Surface Treatment | Anodize |
| Style Designator | Straight thru |
| Thread Series Designator | Unjf 1st end |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 20980 | EATON CORPORATION | AX - DLA LAND AND MARITIME |
| MC1665 | EATON AEROSPACE LLC | XX - |
| 128SCH107-1 | NORTHROP GRUMMAN SYSTEMS CORPORATION | XX - |