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4820PL0573571 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4820PL0573571: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, supplementary_features: APPL TO ACFT,TYPE F-111, valve_operation_method: AUTOMATIC, media_for_which_designed: AIR SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-880-3454, 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
4820PL0573571
NSN: 4820-00-880-3454
FSC: 4820 — Valves, Nonpowered
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
supplementary_featuresAPPL TO ACFT,TYPE F-111
valve_operation_methodAUTOMATIC
media_for_which_designedAIR SINGLE RESPONSE
NSN4820-00-880-3454
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4820PL0573571 · 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
•
SUPPLEMENTARY FEATURES: APPL TO ACFT,TYPE F-111
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESAPPL TO ACFT,TYPE F-111
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
34670-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4820PL0573571?
4820PL0573571 is a VALVE,SAFETY RELIEF.
What parts can replace 4820PL0573571?
There is 1 known substitute for 4820PL0573571: 34670-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 4820PL0573571?
4820PL0573571 is cataloged in the U.S. Government catalog under NSN 4820-00-880-3454. 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.