NSN 4820-00-618-8011 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: MC1613-3250

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-618-8011 safety relief valve
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NSN 4820006188011


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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 4820-00-618-8011 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 4820-00-618-8011 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-618-8011
Categorization Safety or relief valves
Repairability Code

Approximate Weight 1.4lb
Thread Class 3a all ends
Thread Direction Right-hand all ends
Flow Control Device Poppet
Disk Loading Method Spring
Valve Discharge Flow Rate 1.8 pounds per hour
Maximum Operating Temp 250.0 degrees fahrenheit single response
Connection Style Flared (tube) all ends
Valve Operation Method Automatic
Connection Type Threaded external tube all ends
Maximum Operating Pressure 3800.0 pounds per square inch single response
Thread Size 0.438 inches all ends
Seat Angle 37.0 degrees all ends
Opening Pressure Setting 3250.0 pounds per square inch
Material Stainless steel stem
Media For Which Designed Hydraulic fluid, mineral base single response
Surface Treatment Anodize
Style Designator Angle
Thread Series Designator Unf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
MC1613-3250 EATON AEROSPACE LLC AX - DLA LAND AND MARITIME