NSN 4820-00-203-7917 Repair Services

Stop-check Valve Overhaul, Repair, and Maintenance

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Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-203-7917 stop-check valve
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NSN 4820002037917


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AS9120B:2015 ISO 9001 Audited and Certified

FAA 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 4820-00-203-7917 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 4820-00-203-7917 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-203-7917
Categorization Check valves of copper having a pressure rating under 850 kpa
Repairability Code

Approximate Weight 0.0lb
Flow Control Device Disk
Bonnet Type Inside screw
Bonnet Attachment Method Threaded
Bolt Hole Quantity 6 all ends
Maximum Operating Temp 425.0 degrees fahrenheit single response
Valve Operation Method Manual
Flange Shape Round with holes all ends
Connection Type Flange all ends
Mounting Position Horizontal or vertical
Valve Size 2.500 inches
Maximum Operating Pressure 100.0 pounds per square inch single response
Outside Diameter 6.125 inches all ends
Thickness 0.500 inches all ends
First Connection Face To Centerline Distance 4.500 inches
Bolt Hole Diameter 0.562 inches all ends
Second Connection Face To Centerline Distance 4.500 inches
Bolt Circle Diameter 5.000 inches all ends
Flange Face Design Plain all ends
Material Nickel alloy stem
Media For Which Designed Steam single response
Style Designator Angle flanged ends

Part Numbers

Part Number Company RNAAC (Repair Depot)