NSN 4820-00-357-5125 Repair Services

Check Valve Overhaul, Repair, and Maintenance

MPN: C9978-110D-6, C8963

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-357-5125 check valve
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NSN 4820003575125


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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 4820-00-357-5125 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 4820-00-357-5125 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-357-5125
Categorization Check valves of steel
Repairability Code

Approximate Weight 2.0lb
Flow Control Device Disk
Disk Loading Method Spring
Bolt Hole Quantity 8 all ends
Maximum Operating Temp 180.0 degrees fahrenheit single response
Valve Operation Method Automatic
Flange Shape Round with holes all ends
Connection Type Flange all ends
Mounting Facility Wafer
Mounting Position Vertical
Valve Size 6.000 inches
Maximum Operating Pressure 150.0 pounds per square inch single response
Outside Diameter 11.000 inches all ends
Face To Face Distance 5.500 inches
Thickness 1.000 inches all ends
Bolt Hole Diameter 0.875 inches all ends
Bolt Circle Diameter 9.500 inches all ends
Flange Face Design Raised straight all ends
Raised Face Height 0.062 inches all ends
Raised Face Diameter 8.500 inches all ends
Special Features 6.000 in. Valve size
Material Steel uns j03002 body
Style Designator Straight through flanged ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
C9978-110D-6 ADMIRAL VALVE, LLC AX - DLA LAND AND MARITIME
C8963 ADMIRAL VALVE, LLC AX - DLA LAND AND MARITIME