NSN 4820-00-185-6849 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 8P130-9, 8P130-3, 166P299

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-185-6849 safety relief valve
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NSN 4820001856849


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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 4820-00-185-6849 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 4820-00-185-6849 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-185-6849
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Thread Class 2a all ends
Thread Direction Right-hand all ends
Flow Control Device Piston
Disk Loading Method Spring
Maximum Operating Temp 180.0 degrees fahrenheit single response
Connection Style Flared (tube) all ends
Valve Operation Method Automatic
Connection Type Threaded external tube all ends
Thread Size 0.750 inches all ends
Seat Angle 37.0 degrees all ends
Opening Pressure Setting 4.0 pounds per square inch
Material Stainless steel flow control device
Media For Which Designed Oil, hydraulic single response
Surface Treatment Anodize
Style Designator Straight through note: to be used for valve bodies of separable sections.
Thread Series Designator Unf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
8P130-9 ALLEN AIRCRAFT PRODUCTS INC AX - DLA LAND AND MARITIME
8P130-3 ALLEN AIRCRAFT PRODUCTS INC SE - SAN ANTONIO AIR LOGISTICS CENTER
166P299 NORTHROP GRUMMAN SYSTEMS CORPORATION SE - SAN ANTONIO AIR LOGISTICS CENTER