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182351 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

182351: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include special_features: NHA: 4820-01-550-5364; RELIEF VALVE, operating_pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, valve_operation_method: AUTOMATIC, end_item_identification: NEW CONSTRUCTION CVN77, valve_discharge_flow_rate: 200.0 GALLONS PER MINUTE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-550-5373, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
182351
NSN: 4820-01-550-5373
FSC: 4820 — Valves, Nonpowered
CAGE: 98523 — JERED LLC (USA)
SPECIFICATIONS
special_featuresNHA: 4820-01-550-5364; RELIEF VALVE
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodAUTOMATIC
end_item_identificationNEW CONSTRUCTION CVN77
valve_discharge_flow_rate200.0 GALLONS PER MINUTE
NSN4820-01-550-5373
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 182351 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
OPERATING PRESSURE: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE DISCHARGE FLOW RATE: 200.0 GALLONS PER MINUTE
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSCREW-IN CARTRIDGE
OPERATING PRESSURE5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESNHA: 4820-01-550-5364; RELIEF VALVE
PART NAME ASSIGNED BY CONTROLLING AGENCYCARTRIDGE, RELIEF, 2 PORT, PILOT OPERATED, BALANCED PISTON
END ITEM IDENTIFICATIONNEW CONSTRUCTION CVN77
VALVE DISCHARGE FLOW RATE200.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 2
D773D004Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
D773D004 FIND NO 4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 182351?
182351 is a VALVE,SAFETY RELIEF.
What parts can replace 182351?
There are 2 known substitutes for 182351: D773D004, D773D004 FIND NO 4. Substitute compatibility should be verified for your specific system.
What is the NSN for 182351?
182351 is cataloged in the U.S. Government catalog under NSN 4820-01-550-5373. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.