NSN 4820-00-495-6950 Repair Services

Restrictor Check Valve Overhaul, Repair, and Maintenance

MPN: 1R5448, 4R115-4, 215-22537-4

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-495-6950 restrictor check valve
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NSN 4820004956950


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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 4820-00-495-6950 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 4820-00-495-6950 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-495-6950
Categorization Check valves of steel
Repairability Code

Approximate Weight 1.0lb
Thread Class 2a 2nd end
Thread Direction Right-hand 1st end
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 275.0 degrees fahrenheit single response
Connection Style Flareless 2nd end
Valve Operation Method Automatic
Connection Type Threaded external tube 2nd end
Mounting Position Horizontal or vertical
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 0.438 inches 1st end
Seat Angle 45.0 degrees 2nd end
Special Features Restricted flow at 1500 psi differentiating pressure and mil-h-5606 fluid at 90 degrees f porm 10 degrees f
Material Stainless steel
Media For Which Designed Hydraulic fluid, phosphate-ester base single response
Surface Treatment Passivate and paint
Style Designator Straight thru
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
1R5448 SAF INDUSTRIES LLC KE - NAVAL ICP
4R115-4 ALLEN AIRCRAFT PRODUCTS INC KE - NAVAL ICP
215-22537-4 TRIUMPH AEROSTRUCTURES, LLC KE - NAVAL ICP