NSN 4820-00-289-4375 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 81127S41-26250ALT4PC42, 81127S41-20147ALT2PC22, 81127S41-21502ALT1PC12, 3237512, N20147PC22, N21502PC12, N26250PC42, N26447PC41, N26658PC12, A7636, 81127S41-26447ALT4PC41, 81127S41-26658ALT8PC12

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-289-4375 safety relief valve
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NSN 4820002894375


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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 4820-00-289-4375 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 4820-00-289-4375 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-289-4375
Categorization Safety or relief valves
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
Pipe Size Accommodated 0.500 inches 1st end
Thread Direction Right-hand 1st end
Flow Control Device Disk
Bonnet Type Inside spring
Bonnet Attachment Method Threaded
Disk Loading Method Spring
Maximum Operating Temp 400.0 degrees fahrenheit single response
Connection Style Plain, optional en (pipe) 1st end
Valve Operation Method Automatic
Connection Type Threaded internal pipe 1st end
Features Provided Pressure tight outlet side
Adjustable Pressure Range +31.0/+60.0 pounds per square inch
Maximum Operating Pressure 300.0 pounds per square inch single response
Thread Size 0.500 inches 1st end
Material Steel stem
Material Specification Qq-c-390, alloyb5/d/ federal specification single material response body
Media For Which Designed Water-oil-gas 2nd response
Style Designator Angle
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
81127S41-26250ALT4PC42 NAVAL SEA SYSTEMS COMMAND AX - DLA LAND AND MARITIME
81127S41-20147ALT2PC22 NAVAL SEA SYSTEMS COMMAND AX - DLA LAND AND MARITIME
81127S41-21502ALT1PC12 NAVAL SEA SYSTEMS COMMAND AX - DLA LAND AND MARITIME
3237512 HATCH & KIRK, INC. AX - DLA LAND AND MARITIME
N20147PC22 HATCH & KIRK, INC. AX - DLA LAND AND MARITIME
N21502PC12 HATCH & KIRK, INC. AX - DLA LAND AND MARITIME
N26250PC42 HATCH & KIRK, INC. AX - DLA LAND AND MARITIME
N26447PC41 HATCH & KIRK, INC. AX - DLA LAND AND MARITIME
N26658PC12 HATCH & KIRK, INC. AX - DLA LAND AND MARITIME
3237512 GENERAL MOTORS CORP AX - DLA LAND AND MARITIME
N20147PC22 GENERAL MOTORS CORP AX - DLA LAND AND MARITIME
N21502PC12 GENERAL MOTORS CORP AX - DLA LAND AND MARITIME
A7636 GENERAL MOTORS CORP AX - DLA LAND AND MARITIME
N26250PC42 GENERAL MOTORS CORP AX - DLA LAND AND MARITIME
N26447PC41 GENERAL MOTORS CORP AX - DLA LAND AND MARITIME
N26658PC12 GENERAL MOTORS CORP AX - DLA LAND AND MARITIME
81127S41-20147ALT2PC22 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
81127S41-21502ALT1PC12 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
81127S41-26250ALT4PC42 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
A7636 GENERAL MOTORS CORP XX -
81127S41-26447ALT4PC41 NAVAL SHIP SYSTEMS COMMAND XX -
81127S41-26658ALT8PC12 NAVAL SHIP SYSTEMS COMMAND XX -
3237512 GENERAL MOTORS CORP XX -
N21502PC12 GENERAL MOTORS CORP XX -
N26250PC42 GENERAL MOTORS CORP XX -
N26447PC41 GENERAL MOTORS CORP XX -
N26658PC12 GENERAL MOTORS CORP XX -
N20147PC22 GENERAL MOTORS CORP XX -