NSN 4820-00-287-3211 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: MILV20065, TYA1CLC3-4-300-136T0169MTXFT, R6084JVITEM23

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-287-3211 safety relief valve
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NSN 4820002873211


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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 4820-00-287-3211 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 4820-00-287-3211 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-287-3211
Categorization Safety or relief valves
Repairability Code

Approximate Weight 3.3lb
Thread Direction Right-hand all ends
Flow Control Device Disk
Disk Loading Method Spring
Maximum Operating Temp 350.0 degrees fahrenheit single response
Connection Style Plain, optional en (pipe) 2nd end
Valve Operation Method Automatic
Connection Type Threaded internal pipe 2nd end
Adjustable Pressure Range +136.0/+169.0 pounds per square inch
Maximum Operating Pressure 300.0 pounds per square inch single response
Thread Size 0.750 inches all ends
Special Features W/lifting lever
Material Nickel alloy seat
Media For Which Designed Air single response
Style Designator Angle
Thread Series Designator Npt all ends
Nondefinitive Specification/std Data A1 type and c class

Part Numbers

Part Number Company RNAAC (Repair Depot)
MILV20065 MILITARY SPECIFICATIONS AX - DLA LAND AND MARITIME
TYA1CLC3-4-300-136T0169MTXFT NAVAL INVENTORY CONTROL POINT AX - DLA LAND AND MARITIME
R6084JVITEM23 ASHCROFT INC. AX - DLA LAND AND MARITIME