NSN 4820-00-287-4049 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: A20675, DD445S5103-118

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-287-4049 safety relief valve
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NSN 4820002874049


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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 4820-00-287-4049 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 4820-00-287-4049 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-287-4049
Categorization Safety or relief valves
Repairability Code

Approximate Weight 125.0lb
Disk Loading Method Spring
Valve Discharge Flow Rate 40500.0 pounds per hour
Bolt Hole Quantity 9 2nd end
Flange Shape Round with holes 2nd end
Connection Type Flange 1st end
Features Provided Valve stem lock shield
Opening Pressure Setting 639.0 pounds per square inch
Outside Diameter 8.688 inches 2nd end
Bolt Hole Diameter 0.812 inches 2nd end
Bolt Circle Diameter 7.125 inches 2nd end
Flange Face Design Plain 2nd end
Special Features W/lifting lever
Style Designator Angle

Part Numbers

Part Number Company RNAAC (Repair Depot)
A20675 PENTAIR VALVES & CONTROLS US LP HD - NAVAL INVENTORY CONTROL POINT
DD445S5103-118 NAVAL SHIP SYSTEMS COMMAND HD - NAVAL INVENTORY CONTROL POINT