NSN 4820-00-010-1680 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: 21C2222-261, A644XB-2-8-2, A644X2-8, A644XB2-8-2
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-010-1680 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 4820-00-010-1680 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 4820-00-010-1680 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-010-1680 |
| Categorization | Safety or relief valves |
| Repairability Code | |
| Approximate Weight | 0.0lb |
| Thread Class | 3a all ends |
| Thread Direction | Right-hand all ends |
| Flow Control Device | Poppet |
| Bonnet Type | Inside spring |
| Bonnet Attachment Method | Integral |
| Disk Loading Method | Spring |
| Maximum Operating Temp | 225.0 degrees fahrenheit single response |
| Connection Style | Flared (tube) all ends |
| Valve Operation Method | Automatic |
| Connection Type | Threaded external tube all ends |
| Features Provided | Bonnet packing and pressure tight outlet side |
| Thready Qty Per Inch (tpi) | 16 all ends |
| Adjustable Pressure Range | +10.0 to 50.0 pounds per square inch |
| Maximum Operating Pressure | 50.0 pounds per square inch single response |
| Thread Size | 0.750 inches all ends |
| Seat Angle | 37.0 degrees all ends |
| Opening Pressure Setting | 35.0 pounds per square inch |
| Outside Diameter Tube Accommodated | 0.500 inches all ends |
| Material | Steel comp 416 flow control device |
| Material Specification | Fedstd66, aisi416/sae51416 federal standard single material response flow control device |
| Media For Which Designed | Water-oil-gas single response |
| Surface Treatment | Passivate |
| Style Designator | Angle |
| Thread Series Designator | Unf all ends |
| Furnished Items And Quantity | 2 ferrule |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 21C2222-261 | JANKE & COMPANY INC | KE - NAVAL ICP |
| A644XB-2-8-2 | PARKER-HANNIFIN CORPORATION | ZZ - USA |
| 21C2222-261 | GENERAL ELECTRIC COMPANY | XX - |
| A644X2-8 | TELEDYNE INDUSTRIES INC | XX - |
| A644XB2-8-2 | TELEDYNE INDUSTRIES INC | XX - |
| 21C2222-261 | GENERAL ELECTRIC COMPANY | XX - |