NSN 4820-00-516-3431 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 1112-538922

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-516-3431 safety relief valve
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NSN 4820005163431


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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 4820-00-516-3431 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 4820-00-516-3431 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-516-3431
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Thread Class 3a all ends
Thread Direction Right-hand all ends
Flow Control Device Disk
Disk Loading Method Spring
Maximum Operating Temp 160.0 degrees fahrenheit single response
Connection Style Flared (tube) all ends
Valve Operation Method Automatic
Connection Type Threaded external tube all ends
Features Provided Pressure tight outlet side
Thready Qty Per Inch (tpi) 14 all ends
Maximum Operating Pressure 1500.0 pounds per square inch single response
Thread Size 0.875 inches all ends
Seat Angle 37.0 degrees all ends
Opening Pressure Setting 18.0 pounds per square inch
Outside Diameter Tube Accommodated 0.625 inches all ends
Material Steel flow control device
Media For Which Designed Fuel/oil, hydrocarbon single response
Style Designator Straight through note: to be used for valve bodies of one section only.
Thread Series Designator Unf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
1112-538922 PARKER HANNIFIN CORPORATION SB - 645 MSSQ/MSIAPCS
1112-538922 PARKER-HANNIFIN CORPORATION SB - 645 MSSQ/MSIAPCS