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509E211RY-52 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

509E211RY-52: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-383-5560, 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
509E211RY-52
NSN: 4820-01-383-5560
FSC: 4820 — Valves, Nonpowered
CAGE: 03502 — GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT (USA)
SPECIFICATIONS
Part Number509E211RY-52
NSN4820-01-383-5560
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 509E211RY-52 · 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
SUBSTITUTES & CROSS-REFERENCES 4
125D144AE-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
509E211RYReference document
Same NSN cross-reference
Reference document — Drawing number reference only
L720835-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
125D144AEP1Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 509E211RY-52?
509E211RY-52 is a VALVE,SAFETY RELIEF.
What parts can replace 509E211RY-52?
There are 4 known substitutes for 509E211RY-52: 125D144AE-1, 509E211RY, L720835-001 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 509E211RY-52?
509E211RY-52 is cataloged in the U.S. Government catalog under NSN 4820-01-383-5560. 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.