NSN 4820-00-158-1224 Repair Services

Check Valve Overhaul, Repair, and Maintenance

MPN: 825587

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-158-1224 check valve
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NSN 4820001581224


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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 4820-00-158-1224 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 4820-00-158-1224 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-158-1224
Categorization Check valves of steel
Repairability Code

Approximate Weight 11.4lb
Thread Class 2b 2nd end
Thread Direction Right-hand 2nd end
Flow Control Device Poppet
Disk Loading Method Spring
Bolt Hole Quantity 4 1st end
Connection Style Gasket seal (boss) 2nd end
Width 3.740 inches 1st end
Length 3.740 inches 1st end
Valve Operation Method Automatic
Flange Shape Rectangular with holes 1st end
Connection Type Threaded internal boss 2nd end
Mounting Position Horizontal or vertical
Thready Qty Per Inch (tpi) 12 2nd end
Thread Size 1.875 inches 2nd end
Bolt Hole Diameter 0.528 inches 1st end
Center To Center Distance Between Bolt Holes Along Length 2.750 inches 1st end
Center To Center Distance Between Bolt Holes Along Width 2.750 inches 1st end
Flange Face Design Plain 1st end
Special Features Flange connection w/circular o-ring groove
Material Steel
Style Designator Angle
Thread Series Designator Un 2nd end

Part Numbers

Part Number Company RNAAC (Repair Depot)
825587 EATON AEROSPACE LLC AX - DLA LAND AND MARITIME