NSN 4820-00-591-2797 Repair Services

Restrictor Check Valve Overhaul, Repair, and Maintenance

MPN: 1R3462-25-15

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-591-2797 restrictor check valve
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NSN 4820005912797


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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 4820-00-591-2797 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 4820-00-591-2797 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-591-2797
Categorization Check valves of materials other than copper, iron or steel
Repairability Code

Approximate Weight 0.0lb
Thread Class 3a all ends
Thread Direction Right-hand 1st end
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 250.0 degrees fahrenheit single response
Connection Style Flareless all ends
Valve Operation Method Automatic
Connection Type Threaded external tube all ends
Mounting Position Horizontal or vertical
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 0.562 inches all ends
Seat Angle 12.0 degrees all ends
Material Steel flow control device
Material Specification Fed-std-66, aisi 302/sae 30302 federal standard 1st material response and fed-std-66, aisi 303/sae 30303 federal standard 2nd material response and fed-std-66, aisi 304/sae 30304 federal standard 3rd material response flow control device
Media For Which Designed Fuel/oil, hydrocarbon single response
Style Designator Straight thru
Thread Series Designator Unf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
1R3462-25-15 SAF INDUSTRIES LLC XX -