NSN 4820-00-542-2952 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 5423-250, 5423F12

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-542-2952 safety relief valve
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NSN 4820005422952


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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 4820-00-542-2952 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 4820-00-542-2952 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-542-2952
Categorization Safety or relief valves
Repairability Code

Approximate Weight 3.4lb
Flow Control Device Disk
Bonnet Type Inside spring
Bonnet Attachment Method Threaded
Disk Loading Method Spring
Maximum Operating Temp 200.0 degrees fahrenheit single response
Connection Style Socket (tube) err-100
Valve Operation Method Automatic
Connection Type Unthreaded internal tube all ends
Features Provided Valve stem lock shield and pressure tight outlet side
Opening Pressure Setting 250.0 pounds per square inch
Outside Diameter Tube Accommodated 0.875 inches all ends
Material Copper alloy body
Material Specification Qq-b-613, alloy 260 federal specification single material response flow control device
Media For Which Designed Refrigerant 12 single response
Style Designator Angle
Reference Number Differentiating Characteristics As differentiated by opening pressure setting and valve size

Part Numbers

Part Number Company RNAAC (Repair Depot)
5423-250 HENRY TECHNOLOGIES INC. AX - DLA LAND AND MARITIME
5423F12 HENRY TECHNOLOGIES INC. AX - DLA LAND AND MARITIME