NSN 4820-00-541-4995 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: R6309LL, 1809, 5119-4824-3803

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-541-4995 safety relief valve
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NSN 4820005414995


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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 4820-00-541-4995 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 4820-00-541-4995 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-541-4995
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Pipe Size Accommodated 1.250 inches 1st end
Flow Control Device Disk
Bonnet Type Exposed spring
Bonnet Attachment Method Union
Disk Loading Method Spring
Bolt Hole Quantity 4 2nd end
Maximum Operating Temp 250.0 degrees fahrenheit 1st response
Connection Style Socket with brazing ring err-100
Valve Operation Method Automatic
Flange Shape Round with holes 2nd end
Connection Type Unthreaded internal pipe 1st end
Adjustable Pressure Range +33.0/+53.0 pounds per square inch
Outside Diameter 4.500 inches 2nd end
Thickness 0.438 inches 2nd end
Bolt Hole Diameter 0.562 inches 2nd end
Bolt Circle Diameter 3.375 inches 2nd end
Flange Face Design Plain 2nd end
Material Nickel alloy flow control device
Style Designator Angle
Furnished Items And Quantity 1 nut

Part Numbers

Part Number Company RNAAC (Repair Depot)
R6309LL DRESSER, INC. HD - NAVAL INVENTORY CONTROL POINT
1809 DRESSER, INC. HD - NAVAL INVENTORY CONTROL POINT
5119-4824-3803 NAVAL SHIP SYSTEMS COMMAND HD - NAVAL INVENTORY CONTROL POINT