NSN 4820-00-142-2758 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 1352-559177, 3-749-79

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-142-2758 safety relief valve
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NSN 4820001422758


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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 4820-00-142-2758 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 4820-00-142-2758 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-142-2758
Categorization Safety or relief valves
Repairability Code D

When repair is beyond lower level maintenance capability, evacuate the item to depot. disposal is not authorized below wholesale level.

Approximate Weight 0.0lb
Thread Class 3a 1st end
Thread Direction Right-hand 1st end
Disk Loading Method Spring
Valve Discharge Flow Rate 900.0 cubic meters per minute
Maximum Operating Temp 160.0 degrees fahrenheit single response
Valve Operation Method Manual
Connection Type Threaded external tube 1st end
Thready Qty Per Inch (tpi) 20 1st end
Adjustable Pressure Range +3300.0 to 3500.0 pounds per square inch
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 0.437 inches 1st end
Seat Angle 12.0 degrees 1st end
Opening Pressure Setting 3700.0 pounds per square inch
Outside Diameter Tube Accommodated 0.250 inches 1st end
Material Stainless steel flow control device
Media For Which Designed Hydraulic fluid, phosphate-ester base single response
Surface Treatment Anodize
Style Designator Angle
Thread Series Designator Unf 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
1352-559177 PARKER-HANNIFIN CORPORATION KE - NAVAL ICP
3-749-79 PARKER-HANNIFIN CORPORATION KE - NAVAL ICP
1352-559177 PARKER HANNIFIN CORPORATION XX -