NSN 4820-00-203-6245 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: L2220C-NMP154-101T140, D5517B

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-203-6245 safety relief valve
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NSN 4820002036245


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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 4820-00-203-6245 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 4820-00-203-6245 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-203-6245
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Flow Control Device Poppet
Disk Loading Method Spring
Bolt Hole Quantity 4 all ends
Maximum Operating Temp 450.0 degrees fahrenheit single response
Valve Operation Method Automatic
Flange Shape Round with holes all ends
Connection Type Flange all ends
Features Provided Valve stem lock shield
Adjustable Pressure Range +1.0/+250.0 pounds per square inch
Maximum Operating Pressure 150.0 pounds per square inch single response
Opening Pressure Setting 103.0 pounds per square inch
Outside Diameter 7.000 inches all ends
Bolt Hole Diameter 0.750 inches all ends
Bolt Circle Diameter 5.500 inches all ends
Flange Face Design Plain all ends
Material Copper alloy body
Media For Which Designed Steam single response
Style Designator Angle

Part Numbers

Part Number Company RNAAC (Repair Depot)
L2220C-NMP154-101T140 KUNKLE INDUSTRIES INC AX - DLA LAND AND MARITIME
L2220C-NMP154-101T140 PENTAIR VALVES & CONTROLS US LP ZZ - USA
L2220C-NMP154-101T140 ANDERSON GREENWOOD LP ZZ - USA
D5517B LUNKENHEIMER CO XX -