NSN 4820-00-097-8171 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 75321-6, 871316, 75321-61

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-097-8171 safety relief valve
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NSN 4820000978171


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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 4820-00-097-8171 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 4820-00-097-8171 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-097-8171
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 2.5lb
Thread Direction Right-hand 1st end
Flow Control Device Stem
Bonnet Type Inside screw
Bonnet Attachment Method Integral
Disk Loading Method Spring
Connection Style Plain, optional en (pipe) 2nd end
Valve Operation Method Automatic
Connection Type Threaded internal pipe 2nd end
Adjustable Pressure Range +300.0/+1500.0 pounds per square inch
Maximum Operating Pressure 1500.0 pounds per square inch single response
Thread Size 0.500 inches 1st end
Material Steel comp 303
Material Specification Qq-s-764, type303-canceled federal specification single material response
Style Designator Angle
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
75321-6 TELEDYNE INDUSTRIES INC AX - DLA LAND AND MARITIME
871316 PICATINNY ARSENAL AX - DLA LAND AND MARITIME
871316 ORDNANCE SUPPLY OFFICE AX - DLA LAND AND MARITIME
75321-61 CURTISS-WRIGHT FLOW CONTROL ZZ - USA