NSN 4820-00-139-3853 Repair Services

Stop-check Valve Overhaul, Repair, and Maintenance

MPN: 1064-N 2 1/2IN, FIGS783M0D, 139-2 1-2INM0D, 1064-N, 5003 2-1/2IN, 1064NSC-212

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-139-3853 stop-check valve
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NSN 4820001393853


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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 4820-00-139-3853 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 4820-00-139-3853 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-139-3853
Categorization Check valves of copper having a pressure rating of 850 kpa or over
Repairability Code

Approximate Weight 44.0lb
Flow Control Device Disk
Bonnet Type Inside screw
Bonnet Attachment Method Union
Disk Loading Method Spring
Renewable Seat Ring Type Threaded
Bolt Hole Quantity 4 all ends
Valve Operation Method Manual
Flange Shape Round with holes all ends
Connection Type Flange all ends
Mounting Position Horizontal
Features Provided Bonnet packing
Valve Size 2.500 inches
Maximum Operating Pressure 225.0 pounds per square inch single response
Outside Diameter 7.000 inches all ends
Thickness 0.562 inches all ends
First Connection Face To Centerline Distance 4.250 inches
Bolt Hole Diameter 0.750 inches all ends
Second Connection Face To Centerline Distance 4.250 inches
Bolt Circle Diameter 5.500 inches all ends
Flange Face Design Plain all ends
Material Nickel alloy flow control device
Media For Which Designed Water-oil-gas 2nd response
Style Designator Angle flanged ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
1064-N 2 1/2IN MILWAUKEE VALVE COMPANY, INC. AX - DLA LAND AND MARITIME
FIGS783M0D CLOW CORP AX - DLA LAND AND MARITIME
139-2 1-2INM0D WILLIAM POWELL COMPANY THE AX - DLA LAND AND MARITIME
1064-N MILWAUKEE VALVE COMPANY, INC. AX - DLA LAND AND MARITIME
5003 2-1/2IN SERVICE BRASS AND ALUMINUM FOUNDRY AX - DLA LAND AND MARITIME
5003 2-1/2IN MILWAUKEE VALVE COMPANY, INC. ZZ - USA
1064NSC-212 MILWAUKEE VALVE COMPANY, INC. ZZ - USA