NSN 4820-00-203-8050 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: T898

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-203-8050 safety relief valve
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NSN 4820002038050


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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 4820-00-203-8050 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 4820-00-203-8050 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-203-8050
Categorization Safety or relief valves
Repairability Code

Approximate Weight 109.0lb
Flow Control Device Disk
Disk Loading Method Spring
Bolt Hole Quantity 8 1st end
Maximum Operating Temp 425.0 degrees fahrenheit single response
Valve Operation Method Automatic
Flange Shape Round with holes 1st end
Connection Type Flange 1st end
Features Provided Pressure tight outlet side
Valve Size 4.000 inches
Maximum Operating Pressure 100.0 pounds per square inch single response
Opening Pressure Setting 2.0 pounds per square inch
Outside Diameter 7.687 inches 1st end
Bolt Hole Diameter 0.562 inches 1st end
Bolt Circle Diameter 6.562 inches 1st end
Flange Face Design Plain 1st end
Material Copper alloy body
Media For Which Designed Steam single response
Style Designator Angle

Part Numbers

Part Number Company RNAAC (Repair Depot)
T898 DERBYSHIRE MACHINE & TOOL CO HD - NAVAL INVENTORY CONTROL POINT