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845-1889511 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

845-1889511: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, taper_length: 1.156 INCHES NOMINAL IN, style_designator: SOLID WEDGE, taper_major_diameter: 0.609 INCHES NOMINAL IN, taper_minor_diameter: 0.531 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-143-2940, 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
845-1889511
NSN: 4820-01-143-2940
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
taper_length1.156 INCHES NOMINAL IN
style_designatorSOLID WEDGE
taper_major_diameter0.609 INCHES NOMINAL IN
taper_minor_diameter0.531 INCHES NOMINAL IN
NSN4820-01-143-2940
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889511 · 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
•
TAPER MINOR DIAMETER: 0.531 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID WEDGE
•
TAPER MAJOR DIAMETER: 0.609 INCHES NOMINAL IN
•
TAPER LENGTH: 1.156 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
TAPER MINOR DIAMETER0.531 INCHES NOMINAL IN
STYLE DESIGNATORSOLID WEDGE
TAPER MAJOR DIAMETER0.609 INCHES NOMINAL IN
TAPER LENGTH1.156 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 3
2620-920X2Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
845-1889551Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
D26440Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 845-1889511?
845-1889511 is a DISK,VALVE.
What parts can replace 845-1889511?
There are 3 known substitutes for 845-1889511: 2620-920X2, 845-1889551, D26440. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889511?
845-1889511 is cataloged in the U.S. Government catalog under NSN 4820-01-143-2940. 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.