NSN 4820-00-018-5870 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 670105-1, A62122

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-018-5870 safety relief valve
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NSN 4820000185870


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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 4820-00-018-5870 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 4820-00-018-5870 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-018-5870
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Thread Class 3b 1st end
Thread Direction Right-hand 1st end
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 275.0 degrees fahrenheit single response
Connection Style Gasket sea (boss) 1st end
Valve Operation Method Hydraulic
Connection Type Threaded internal boss 1st end
Thready Qty Per Inch (tpi) 20 1st end
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 0.250 inches 1st end
Opening Pressure Setting 900.0 pounds per square inch
Material Steel comp 440c flow control device
Media For Which Designed Hydraulic fluid, petroleum base single response
Style Designator Straight thru
Thread Series Designator Unjf 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
670105-1 LOCKHEED MARTIN CORPORATION 9Z - DLA LOGISTICS INFORMATION SERVICE - K
A62122 HYDRO-AIRE, INC. MF - ENGINEERING DATA SUPPORT CENTER