NSN 4820-00-455-1097 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 513-50053, D559T-16D-10, D559T-16D-10-30

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-455-1097 safety relief valve
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NSN 4820004551097


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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 4820-00-455-1097 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 4820-00-455-1097 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-455-1097
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.9lb
Thread Class 3a all ends
Thread Direction Right-hand all ends
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 280.0 degrees fahrenheit 2nd response
Connection Style Flared (tube) all ends
Valve Operation Method Automatic
Connection Type Threaded external tube all ends
Thready Qty Per Inch (tpi) 12 all ends
Maximum Operating Pressure 200.0 pounds per square inch single response
Thread Size 1.312 inches all ends
Seat Angle 37.0 degrees all ends
Opening Pressure Setting 10.0 pounds per square inch
Special Features Valve size 1.000 in.
Material Steel seat
Material Specification Fed standard 66 federal specification 1st material response stem
Media For Which Designed Helium 5th response
Style Designator Straight through w/baffle
Thread Series Designator Unj all ends
Furnished Items And Quantity 1 deflector cap

Part Numbers

Part Number Company RNAAC (Repair Depot)
513-50053 PARKER-HANNIFIN CORPORATION 9Z - DLA LOGISTICS INFORMATION SERVICE - K
D559T-16D-10 CIRCOR AEROSPACE, INC. AX - DLA LAND AND MARITIME
D559T-16D-10-30 CIRCOR AEROSPACE, INC. ZZ - USA