NSN 4820-00-529-3990 Repair Services
Check Valve Overhaul, Repair, and Maintenance
MPN: 658053-1, 8R7642
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-529-3990 check 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 4820-00-529-3990 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 4820-00-529-3990 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-529-3990 |
| Categorization | Check valves of copper having a pressure rating of 850 kpa or over |
| Repairability Code | N |
| Approximate Weight | 0.0lb |
| Thread Class | 3a 1st end |
| Thread Direction | Right-hand 1st end |
| Flow Control Device | Poppet |
| Disk Loading Method | Spring |
| Renewable Seat Ring Type | Pressed-in |
| Connection Style | Flared (tube) 1st end |
| Connection Type | Threaded external tube 1st end |
| Mounting Position | Horizontal or vertical |
| Thready Qty Per Inch (tpi) | 20 1st end |
| Maximum Operating Pressure | 3000.0 pounds per square inch single response |
| Thread Size | 0.438 inches 1st end |
| Seat Angle | 37.0 degrees 1st end |
| Outside Diameter Tube Accommodated | 0.250 inches 1st end |
| Media For Which Designed | Air single response |
| Style Designator | Straight thru |
| Thread Series Designator | Unf 1st end |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 658053-1 | LOCKHEED MARTIN CORPORATION | MF - ENGINEERING DATA SUPPORT CENTER |
| 658053-1 | LOCKHEED MARTIN CORPORATION | MF - ENGINEERING DATA SUPPORT CENTER |
| 8R7642 | SAF INDUSTRIES LLC | SB - 645 MSSQ/MSIAPCS |
| 8R7642 | SAF INDUSTRIES LLC | SB - 645 MSSQ/MSIAPCS |