NSN 4820-00-142-1547 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: FF2503B, AA7070D

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-142-1547 safety relief valve
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NSN 4820001421547


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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 4820-00-142-1547 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 4820-00-142-1547 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-142-1547
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Flow Control Device Disk
Bonnet Type Inside spring
Bonnet Attachment Method Bolted
Disk Loading Method Spring
Renewable Seat Ring Type Threaded
Bolt Hole Quantity 3 2nd end
Maximum Operating Temp 650.0 degrees fahrenheit single response
Valve Operation Method Automatic or manual
Flange Shape Round with holes 2nd end
Connection Type Flange 1st end
Features Provided Valve stem lock shield and pressure tight outlet side
Adjustable Pressure Range +276.0/+450.0 pounds per square inch
Maximum Operating Pressure 300.0 pounds per square inch single response
Outside Diameter 4.000 inches 1st end
Thickness 0.562 inches 1st end
First Connection Face To Centerline Distance 3.000 inches
Bolt Hole Diameter 0.562 inches 2nd end
Second Connection Face To Centerline Distance 3.000 inches
Bolt Circle Diameter 2.875 inches 1st end
Flange Face Design Plain 2nd end
Material Steel uns j03008 body
Material Specification Mil-s-15083 military specification single material response body
Media For Which Designed Oil single response
Style Designator Angle flanged ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
FF2503B ANDERSON GREENWOOD LP AX - DLA LAND AND MARITIME
AA7070D ANDERSON GREENWOOD LP ZZ - USA