NSN 4820-00-546-5742 Repair Services

Check Valve Overhaul, Repair, and Maintenance

MPN: 277A12TT, 8528767, 279A12TT

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-546-5742 check valve
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NSN 4820005465742


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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 4820-00-546-5742 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 4820-00-546-5742 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-546-5742
Categorization Check valves of materials other than copper, iron or steel
Repairability Code

Approximate Weight 0.0lb
Thread Direction Right-hand all ends
Flow Control Device Poppet
Disk Loading Method Spring
Maximum Operating Temp 200.0 degrees fahrenheit single response
Connection Style Flared (tube) all ends
Connection Type Threaded external tube all ends
Mounting Position Vertical
Maximum Operating Pressure 3000.0 pounds per square inch single response
Thread Size 1.062 inches all ends
Seat Angle 37.0 degrees all ends
Material Aluminum alloy seat
Material Specification Qq-a-250/4, alloy 2024 federal specification single material response body
Media For Which Designed Fuel/oil, hydrocarbon single response
Style Designator Straight thru
Thread Series Designator Npt all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
277A12TT CIRCOR AEROSPACE, INC. AX - DLA LAND AND MARITIME
8528767 U S ARMY AVIATION AND MISSILE AX - DLA LAND AND MARITIME
279A12TT CIRCOR AEROSPACE, INC. AX - DLA LAND AND MARITIME