NSN 4820-00-138-2285 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 11663148

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-138-2285 safety relief valve
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NSN 4820001382285


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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 4820-00-138-2285 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 4820-00-138-2285 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-138-2285
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.3lb
Thread Class 3a all ends
Thread Direction Right-hand all ends
Flow Control Device Poppet
Maximum Operating Temp 200.0 degrees fahrenheit single response
Connection Style Flared (tube) all ends
Valve Operation Method Hydraulic
Connection Type Threaded external tube all ends
Thread Size 0.563 inches all ends
Seat Angle 37.0 degrees all ends
Material Aluminum alloy 2024
Material Specification Qq-a-200/3, alloy2024, t4 federal specification 1st material response body or qq-a-225/6, alloy2024, t4 federal specification 2nd material response body
Media For Which Designed Fuel/oil, hydrocarbon single response
Surface Treatment Anodize
Surface Treatment Specification Mil-a-8625, type 1 military specification single treatment response
Style Designator Straight thru
Thread Series Designator Unf all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
11663148 U S ARMY TANK AUTOMOTIVE COMMAND AX - DLA LAND AND MARITIME