NSN 4820-00-494-8106 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 513991-1

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-494-8106 safety relief valve
Your Email:
Your Name:
Company Name:
Optional reference:
Phone:
NSN 4820004948106


Privacy | Terms

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 4820-00-494-8106 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 4820-00-494-8106 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-494-8106
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Thread Class 3b 1st end
Thread Direction Right-hand 1st end
Flow Control Device Poppet
Bonnet Type Inside spring
Bonnet Attachment Method Integral
Disk Loading Method Spring
Renewable Seat Ring Type Pressed-in
Maximum Operating Temp 225.0 degrees fahrenheit single response
Connection Style Gasket sea (boss) 1st end
Valve Operation Method Automatic
Connection Type Threaded internal boss 1st end
Thready Qty Per Inch (tpi) 16 1st end
Adjustable Pressure Range +800.0/+1500.0 pounds per square inch
Maximum Operating Pressure 1500.0 pounds per square inch single response
Thread Size 0.750 inches 1st end
Opening Pressure Setting 1000.0 pounds per square inch
Outside Diameter Tube Accommodated 0.500 inches 1st end
Material Steel comp 303 flow control device and steel comp 416 flow control device
Surface Treatment Passivate
Style Designator Angle
Thread Series Designator Unjf 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
513991-1 NAVAL AIR WARFARE CENTER AIRCRAFT KE - NAVAL ICP