NSN 4820-00-433-3684 Repair Services

Check Valve Overhaul, Repair, and Maintenance

MPN: 3-744-75, 525GG1-2D

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-433-3684 check valve
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NSN 4820004333684


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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 4820-00-433-3684 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 4820-00-433-3684 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-433-3684
Categorization Check valves of materials other than copper, iron or steel
Repairability Code

Approximate Weight 0.0lb
Pipe Size Accommodated 0.500 inches all ends
Thread Direction Right-hand all ends
Flow Control Device Disk
Disk Loading Method Spring
Connection Style Plain, optional end (pipe) all ends
Valve Operation Method Automatic
Connection Type Threaded internal pipe all ends
Mounting Position Horizontal
Thready Qty Per Inch (tpi) 14 1st end
Thread Size 0.500 inches all ends
Material Stainless steel flow control device
Material Specification Mil-s-5059, annealed military specification single material response flow control device
Surface Treatment Anodize
Style Designator Straight thru
Thread Series Designator Npt all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
3-744-75 PARKER HANNIFIN CORPORATION CT - U.S. ARMY AVIATION & MISSILE COMMAND (AIR)
3-744-75 PARKER-HANNIFIN CORPORATION CT - U.S. ARMY AVIATION & MISSILE COMMAND (AIR)
525GG1-2D PARKER-HANNIFIN CORPORATION CT - U.S. ARMY AVIATION & MISSILE COMMAND (AIR)