NSN 4820-00-056-4778 Repair Services

Check Valve Overhaul, Repair, and Maintenance

MPN: 10018923-001, 30A4-25

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-056-4778 check valve
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NSN 4820000564778


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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 4820-00-056-4778 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 4820-00-056-4778 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-056-4778
Categorization Check valves of copper having a pressure rating of 850 kpa or over
Repairability Code Z

This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.
Approximate Weight 0.0lb
Thread Class 3a all ends
Thread Direction Right-hand all ends
Flow Control Device Disk
Connection Style Gasket seal (boss) all ends
Valve Operation Method Automatic
Connection Type Threaded internal boss all ends
Mounting Position Horizontal
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 0.438 inches all ends
Outside Diameter Tube Accommodated 0.250 inches all ends
Style Designator Straight thru
Thread Series Designator Unf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
10018923-001 U S ARMY AVIATION AND MISSILE AX - DLA LAND AND MARITIME
30A4-25 PARKER-HANNIFIN CORPORATION AX - DLA LAND AND MARITIME
30A4-25 PARKER-HANNIFIN CORPORATION AX - DLA LAND AND MARITIME