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571388 — VALVE,SAFETY RELIEF

✓ Government record, cited
Legrand · GATE VALVE
PRODUCT OVERVIEW

571388: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a Legrand industrial component. Key specifications include special_features: CRACKING 3450-3600 PSI; RESEAT 3300 PSI MIN.; LENGTH 2.725 IN.; 0.970 IN. DIA.

IN, operating_pressure: 3700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: PLUG. This part is cataloged in the U.S. Government catalog under NSN 4820-01-353-6954, 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
571388
NSN: 4820-01-353-6954
FSC: 4820 — Valves, Nonpowered
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
special_featuresCRACKING 3450-3600 PSI; RESEAT 3300 PSI MIN.; LENGTH 2.725 IN.; 0.970 IN. DIA. IN
operating_pressure3700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePLUG
NSN4820-01-353-6954
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 571388 · Legrand ⚠ 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
•
FLOW CONTROL DEVICE: PLUG
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
OPERATING PRESSURE: 3700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPLUG
STYLE DESIGNATORSCREW-IN CARTRIDGE
OPERATING PRESSURE3700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESCRACKING 3450-3600 PSI; RESEAT 3300 PSI MIN.; LENGTH 2.725 IN.; 0.970 IN. DIA. IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 571388?
571388 is a VALVE,SAFETY RELIEF manufactured by Legrand.
What is the NSN for 571388?
571388 is cataloged in the U.S. Government catalog under NSN 4820-01-353-6954. 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.