NSN 4820-00-072-8510 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 559T1-1M-4, 773372-1, 10516717, 559T-1M-4, 4820000728510, 2904768-1

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-072-8510 safety relief valve
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NSN 4820000728510


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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 4820-00-072-8510 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 4820-00-072-8510 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-072-8510
Categorization Safety or relief valves
Repairability Code Z

This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Approximate Weight 0.1lb
Thread Direction Right-hand 1st end
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 250.0 degrees fahrenheit single response
Connection Style Plain (pipe) 1st end
Valve Operation Method Automatic
Connection Type Threaded external pipe 1st end
Features Provided Valve stem lock shield
Adjustable Pressure Range +2.5 to 5.9 pounds per square inch
Maximum Operating Pressure 200.0 pounds per square inch single response
Thread Size 0.125 inches 1st end
Opening Pressure Setting 4.0 pounds per square inch
Special Features Pop-off type
Material Steel comp 316 bodysteel comp 316 flow control device and rubber butadiene-acrylonitrile class nbr flow control devicesteel comp 316 seat
Media For Which Designed Hydrogen 5th response
Surface Treatment Passivate
Style Designator Straight through note: to be used for valve bodies of one section only.
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
559T1-1M-4 CIRCOR AEROSPACE, INC. AX - DLA LAND AND MARITIME
773372-1 LOCKHEED MARTIN CORPORATION AX - DLA LAND AND MARITIME
10516717 US ARMY ARDEC RDECOM AX - DLA LAND AND MARITIME
559T-1M-4 CIRCOR AEROSPACE, INC. AX - DLA LAND AND MARITIME
4820000728510 E.C.A ETABLISSEMENT YP - MOROCCO
2904768-1 NAVAL SEA SYSTEMS COMMAND ZZ - USA