NSN 4820-00-176-4621 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: 205-062-668-001, 205-062-668-1, 4P145, 2683
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-176-4621 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 4820-00-176-4621 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 4820-00-176-4621 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-176-4621 |
| 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 | 0.1lb |
| Thread Class | 3a all ends |
| Thread Direction | Right-hand all ends |
| Flow Control Device | Poppet |
| Disk Loading Method | Spring |
| Connection Style | Flared (tube) all ends |
| Valve Operation Method | Automatic |
| Connection Type | Threaded external tube all ends |
| Adjustable Pressure Range | +3.0 to 7.0 pounds per square inch |
| Maximum Operating Pressure | 30.0 pounds per square inch single response |
| Thread Size | 0.438 inches all ends |
| Seat Angle | 37.0 degrees all ends |
| Outside Diameter Tube Accommodated | 0.250 inches 1st end |
| Material | Aluminum body |
| Media For Which Designed | Fuel/oil, hydrocarbon 2nd response |
| Style Designator | Straight through note: to be used for valve bodies of one section only. |
| Thread Series Designator | Unf all ends |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 205-062-668-001 | BELL HELICOPTER TEXTRON INC. | 9Z - DLA LOGISTICS INFORMATION SERVICE - K |
| 205-062-668-1 | BELL HELICOPTER TEXTRON INC. | CT - U.S. ARMY AVIATION & MISSILE COMMAND (AIR) |
| 4P145 | ALLEN AIRCRAFT PRODUCTS INC | CT - U.S. ARMY AVIATION & MISSILE COMMAND (AIR) |
| 2683 | HAWKER PACIFIC AEROSPACE | CT - U.S. ARMY AVIATION & MISSILE COMMAND (AIR) |
| 2683 | KAISER FLUID TECHNOLOGIES INC. | CT - U.S. ARMY AVIATION & MISSILE COMMAND (AIR) |
| 2683 | TACTAIR FLUID CONTROLS, INC. | ZZ - USA |