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Technical Data Sheet
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D5559-3 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D5559-3: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-407-0777, 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
D5559-3
NSN: 4820-01-407-0777
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
NSN4820-01-407-0777
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D5559-3 · 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
•
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
D5559Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D5559-3?
D5559-3 is a DISK,VALVE.
What parts can replace D5559-3?
There is 1 known substitute for D5559-3: D5559. Substitute compatibility should be verified for your specific system.
What is the NSN for D5559-3?
D5559-3 is cataloged in the U.S. Government catalog under NSN 4820-01-407-0777. This indicates validated use in U.S. government and defense supply chains.
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