NSN 4820-00-446-3238 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: AD16S59-057ALT1PC109, AM57S59-120ALT1PC61, BB61S59-0139ITEM79, BB55S59-0241ITEM79, 5412

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-446-3238 safety relief valve
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NSN 4820004463238


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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 4820-00-446-3238 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 4820-00-446-3238 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-446-3238
Categorization Safety or relief valves
Repairability Code

Approximate Weight 2.2lb
Pipe Size Accommodated 0.500 inches all ends
Thread Direction Right-hand all ends
Flow Control Device Diaphragm
Bonnet Type Inside spring
Bonnet Attachment Method Threaded
Disk Loading Method Spring
Connection Style Plain, optional en (pipe) all ends
Valve Operation Method Automatic
Connection Type Threaded internal pipe all ends
Features Provided Valve stem lock shield and pressure tight outlet side
Thread Size 0.500 inches all ends
Opening Pressure Setting 200.0 pounds per square inch
Material Copper alloy
Style Designator Angle
Thread Series Designator Npt all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
AD16S59-057ALT1PC109 NAVAL SEA SYSTEMS COMMAND AX - DLA LAND AND MARITIME
AM57S59-120ALT1PC61 NAVAL SEA SYSTEMS COMMAND AX - DLA LAND AND MARITIME
BB61S59-0139ITEM79 NAVAL SEA SYSTEMS COMMAND AX - DLA LAND AND MARITIME
BB55S59-0241ITEM79 NAVAL SEA SYSTEMS COMMAND AX - DLA LAND AND MARITIME
AD16S59-057ALT1PC109 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
AM57S59-120ALT1PC61 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
BB55S59-0241ITEM79 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
BB61S59-0139ITEM79 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
5412 HENRY TECHNOLOGIES INC. XX -