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8489-004 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8489-004: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 0.907 INCHES NOMINAL IN, shank_diameter: 0.873 INCHES NOMINAL IN, flange_diameter: 0.740 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-451-0307, 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
8489-004
NSN: 4820-00-451-0307
FSC: 4820 — Valves, Nonpowered
CAGE: 72352 — CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA FARRIS ENGINEERING DIV CURTISS-WRIGHT VALVES DIVISION- FARRIS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height0.907 INCHES NOMINAL IN
shank_diameter0.873 INCHES NOMINAL IN
flange_diameter0.740 INCHES NOMINAL IN
style_designatorPOPPET
NSN4820-00-451-0307
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8489-004 · 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
•
SHANK DIAMETER: 0.873 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.740 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.873 INCHES NOMINAL IN
FLANGE DIAMETER0.740 INCHES NOMINAL IN
OVERALL HEIGHT0.907 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
MATERIALSTEEL CORROSION RESISTING
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 1
8489SSReference document
Same NSN cross-reference
Reference document — Secondary reference
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 8489-004?
8489-004 is a DISK,VALVE.
What parts can replace 8489-004?
There is 1 known substitute for 8489-004: 8489SS. Substitute compatibility should be verified for your specific system.
What is the NSN for 8489-004?
8489-004 is cataloged in the U.S. Government catalog under NSN 4820-00-451-0307. 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.