NSN 4820-00-148-8588 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: VB7-1 1-2Y, 15M120

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-148-8588 safety relief valve
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NSN 4820001488588


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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 4820-00-148-8588 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 4820-00-148-8588 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-148-8588
Categorization Safety or relief valves
Repairability Code

Approximate Weight 14.8lb
Pipe Size Accommodated 1.500 inches 1st end
Thread Direction Right-hand 1st end
Flow Control Device Poppet
Bonnet Type Inside screw
Bonnet Attachment Method Threaded
Disk Loading Method Spring
Valve Discharge Flow Rate 20.0 gallons per minute
Connection Style Plain, optional en (pipe) 1st end
Valve Operation Method Automatic
Connection Type Threaded internal pipe 1st end
Thready Qty Per Inch (tpi) 11-1/2 1st end
Adjustable Pressure Range +150.0 to 350.0 pounds per square inch
Maximum Operating Pressure 350.0 pounds per square inch single response
Thread Size 1.500 inches 1st end
Opening Pressure Setting 150.0 pounds per square inch
Material Steel stem
Style Designator Angle
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
VB7-1 1-2Y RUTHMAN PUMP AND ENGINEERING INC KE - NAVAL ICP
15M120 ELLIS & WATTS INTERNATIONAL, LLC KE - NAVAL ICP
VB7-1 1-2Y RUTHMAN PUMP AND ENGINEERING INC KE - NAVAL ICP
15M120 ELLIS & WATTS INTERNATIONAL, LLC KE - NAVAL ICP
VB7-1 1-2Y RUTHMAN PUMP AND ENGINEERING INC KE - NAVAL ICP
15M120 ELLIS & WATTS INTERNATIONAL, LLC KE - NAVAL ICP