NSN 4820-00-620-5597 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 21700-3900, 4268624

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-620-5597 safety relief valve
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NSN 4820006205597


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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 4820-00-620-5597 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 4820-00-620-5597 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-620-5597
Categorization Safety or relief valves
Repairability Code N

Approximate Weight 0.2lb
Thread Class 3b all ends
Thread Direction Right-hand all ends
Flow Control Device Ball
Bonnet Type Packing retaining
Disk Loading Method Spring
Maximum Operating Temp 160.0 degrees fahrenheit single response
Connection Style Gasket sea (boss) all ends
Valve Operation Method Automatic
Connection Type Threaded internal boss all ends
Features Provided Pressure tight outlet side
Thready Qty Per Inch (tpi) 20 all ends
Adjustable Pressure Range +2100.0/+4100.0 pounds per square inch
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 0.437 inches all ends
Outside Diameter Tube Accommodated 0.250 inches all ends
Material Aluminum alloy
Media For Which Designed Hydraulic fluid, phosphate-ester base single response
Style Designator Angle
Thread Series Designator Unf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
21700-3900 PARKER-HANNIFIN CORPORATION AX - DLA LAND AND MARITIME
4268624 BOEING COMPANY, THE AX - DLA LAND AND MARITIME
4268624 BOEING COMPANY, THE AX - DLA LAND AND MARITIME