NSN 4820-00-111-2453 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 740-1INCH-30PSI, 240-1IN30, 2401IN30

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-111-2453 safety relief valve
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NSN 4820001112453


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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 4820-00-111-2453 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 4820-00-111-2453 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-111-2453
Categorization Safety or relief valves
Repairability Code

Approximate Weight 2.9lb
Thread Direction Right-hand all ends
Flow Control Device Disk
Bonnet Type Inside screw
Bonnet Attachment Method Bolted
Disk Loading Method Spring
Connection Style Plain, optional en (pipe) all ends
Valve Operation Method Manual
Connection Type Threaded internal pipe all ends
Thread Size 1.250 inches 1st end1.000 inches 2nd end
Opening Pressure Setting 30.0 pounds per square inch
Material Iron body
Media For Which Designed Water, fresh single response
Style Designator Angle
Thread Series Designator Npt all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
740-1INCH-30PSI WATTS REGULATOR CO AX - DLA LAND AND MARITIME
240-1IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
2401IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
740-1INCH-30PSI WATTS REGULATOR CO AX - DLA LAND AND MARITIME
240-1IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
2401IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
740-1INCH-30PSI WATTS REGULATOR CO AX - DLA LAND AND MARITIME
240-1IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
2401IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
740-1INCH-30PSI WATTS REGULATOR CO AX - DLA LAND AND MARITIME
240-1IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
2401IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
740-1INCH-30PSI WATTS REGULATOR CO AX - DLA LAND AND MARITIME
240-1IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
2401IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
740-1INCH-30PSI WATTS REGULATOR CO AX - DLA LAND AND MARITIME
240-1IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
2401IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
740-1INCH-30PSI WATTS REGULATOR CO AX - DLA LAND AND MARITIME
240-1IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME
2401IN30 ITT MCDONNELL-MILLER A UNIT OF ITT AX - DLA LAND AND MARITIME