NSN 4820-00-588-8912 Repair Services

Check Valve Overhaul, Repair, and Maintenance

MPN: 1R3644-021, 416B639P3

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-588-8912 check valve
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NSN 4820005888912


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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 4820-00-588-8912 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 4820-00-588-8912 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-588-8912
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 all ends
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 160.0 degrees fahrenheit single response
Connection Style Plain (tube) all ends
Valve Operation Method Automatic
Connection Type Threaded external tube all ends
Mounting Position Horizontal
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 0.438 inches all ends
Special Features With filter
Material Stainless steel flow control device
Material Specification Qq-a-225/6, alloy 2024 federal specification single material response seat
Media For Which Designed Fuel/oil, hydrocarbon single response
Surface Treatment Anodize
Style Designator Straight thru
Thread Series Designator Unjf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
1R3644-021 SAF INDUSTRIES LLC XX -
416B639P3 GENERAL ELECTRIC COMPANY XX -